Home / 10,936.74-15,092.76-6,221.10

Finding the Fourth Proportional to 10,936.74, 15,092.76 and 6,221.10

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Solution

The fourth proportional to 10,936.74, 15,092.76 and 6,221.10 is: 8,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.74 : 15,092.76 = 6,221.10 : x
  2. Step 2: Convert to fraction form
    10,936.74/15,092.76 = 6,221.10/x
  3. Step 3: Cross multiply
    10,936.74x = 15,092.76 × 6,221.10
  4. Step 4: Simplify right side
    10,936.74x = 93,893,569.24
  5. Step 5: Solve for x
    x = 93,893,569.24/10,936.74
  6. Step 6: Final answer
    x = 8,585.15

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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.