Home / 10,632.20-15,939.66-3,711.56

Finding the Fourth Proportional to 10,632.20, 15,939.66 and 3,711.56

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Solution

The fourth proportional to 10,632.20, 15,939.66 and 3,711.56 is: 5,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.20 : 15,939.66 = 3,711.56 : x
  2. Step 2: Convert to fraction form
    10,632.20/15,939.66 = 3,711.56/x
  3. Step 3: Cross multiply
    10,632.20x = 15,939.66 × 3,711.56
  4. Step 4: Simplify right side
    10,632.20x = 59,161,004.47
  5. Step 5: Solve for x
    x = 59,161,004.47/10,632.20
  6. Step 6: Final answer
    x = 5,564.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.