Home / 10,632.52-15,937.08-4,389.12

Finding the Fourth Proportional to 10,632.52, 15,937.08 and 4,389.12

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Solution

The fourth proportional to 10,632.52, 15,937.08 and 4,389.12 is: 6,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.52 : 15,937.08 = 4,389.12 : x
  2. Step 2: Convert to fraction form
    10,632.52/15,937.08 = 4,389.12/x
  3. Step 3: Cross multiply
    10,632.52x = 15,937.08 × 4,389.12
  4. Step 4: Simplify right side
    10,632.52x = 69,949,756.57
  5. Step 5: Solve for x
    x = 69,949,756.57/10,632.52
  6. Step 6: Final answer
    x = 6,578.85

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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.