Home / 11,307.92-15,605.73-6,272.42

Finding the Fourth Proportional to 11,307.92, 15,605.73 and 6,272.42

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Solution

The fourth proportional to 11,307.92, 15,605.73 and 6,272.42 is: 8,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.92 : 15,605.73 = 6,272.42 : x
  2. Step 2: Convert to fraction form
    11,307.92/15,605.73 = 6,272.42/x
  3. Step 3: Cross multiply
    11,307.92x = 15,605.73 × 6,272.42
  4. Step 4: Simplify right side
    11,307.92x = 97,885,614.94
  5. Step 5: Solve for x
    x = 97,885,614.94/11,307.92
  6. Step 6: Final answer
    x = 8,656.38

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Find fourth proportional to 5,653.96, 7,802.87 and 3,136.21
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.