Home / 10,358.19-15,535.66-3,432.69

Finding the Fourth Proportional to 10,358.19, 15,535.66 and 3,432.69

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Solution

The fourth proportional to 10,358.19, 15,535.66 and 3,432.69 is: 5,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.19 : 15,535.66 = 3,432.69 : x
  2. Step 2: Convert to fraction form
    10,358.19/15,535.66 = 3,432.69/x
  3. Step 3: Cross multiply
    10,358.19x = 15,535.66 × 3,432.69
  4. Step 4: Simplify right side
    10,358.19x = 53,329,104.73
  5. Step 5: Solve for x
    x = 53,329,104.73/10,358.19
  6. Step 6: Final answer
    x = 5,148.50

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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.