Home / 8,187.33-11,298.45-4,650.47

Finding the Fourth Proportional to 8,187.33, 11,298.45 and 4,650.47

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Solution

The fourth proportional to 8,187.33, 11,298.45 and 4,650.47 is: 6,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.33 : 11,298.45 = 4,650.47 : x
  2. Step 2: Convert to fraction form
    8,187.33/11,298.45 = 4,650.47/x
  3. Step 3: Cross multiply
    8,187.33x = 11,298.45 × 4,650.47
  4. Step 4: Simplify right side
    8,187.33x = 52,543,046.28
  5. Step 5: Solve for x
    x = 52,543,046.28/8,187.33
  6. Step 6: Final answer
    x = 6,417.60

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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.