Home / 10,939.96-15,097.24-6,224.55

Finding the Fourth Proportional to 10,939.96, 15,097.24 and 6,224.55

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Solution

The fourth proportional to 10,939.96, 15,097.24 and 6,224.55 is: 8,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.96 : 15,097.24 = 6,224.55 : x
  2. Step 2: Convert to fraction form
    10,939.96/15,097.24 = 6,224.55/x
  3. Step 3: Cross multiply
    10,939.96x = 15,097.24 × 6,224.55
  4. Step 4: Simplify right side
    10,939.96x = 93,973,441.39
  5. Step 5: Solve for x
    x = 93,973,441.39/10,939.96
  6. Step 6: Final answer
    x = 8,589.92

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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.