Home / 10,458.43-15,689.99-3,532.75

Finding the Fourth Proportional to 10,458.43, 15,689.99 and 3,532.75

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Solution

The fourth proportional to 10,458.43, 15,689.99 and 3,532.75 is: 5,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.43 : 15,689.99 = 3,532.75 : x
  2. Step 2: Convert to fraction form
    10,458.43/15,689.99 = 3,532.75/x
  3. Step 3: Cross multiply
    10,458.43x = 15,689.99 × 3,532.75
  4. Step 4: Simplify right side
    10,458.43x = 55,428,812.17
  5. Step 5: Solve for x
    x = 55,428,812.17/10,458.43
  6. Step 6: Final answer
    x = 5,299.92

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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.