Home / 10,939.59-15,096.56-6,224.13

Finding the Fourth Proportional to 10,939.59, 15,096.56 and 6,224.13

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Solution

The fourth proportional to 10,939.59, 15,096.56 and 6,224.13 is: 8,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.59 : 15,096.56 = 6,224.13 : x
  2. Step 2: Convert to fraction form
    10,939.59/15,096.56 = 6,224.13/x
  3. Step 3: Cross multiply
    10,939.59x = 15,096.56 × 6,224.13
  4. Step 4: Simplify right side
    10,939.59x = 93,962,920.87
  5. Step 5: Solve for x
    x = 93,962,920.87/10,939.59
  6. Step 6: Final answer
    x = 8,589.25

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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.