Home / 11,855.49-16,368.21-7,608.38

Finding the Fourth Proportional to 11,855.49, 16,368.21 and 7,608.38

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Solution

The fourth proportional to 11,855.49, 16,368.21 and 7,608.38 is: 10,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.49 : 16,368.21 = 7,608.38 : x
  2. Step 2: Convert to fraction form
    11,855.49/16,368.21 = 7,608.38/x
  3. Step 3: Cross multiply
    11,855.49x = 16,368.21 × 7,608.38
  4. Step 4: Simplify right side
    11,855.49x = 124,535,624.83
  5. Step 5: Solve for x
    x = 124,535,624.83/11,855.49
  6. Step 6: Final answer
    x = 10,504.47

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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.