Home / 10,342.62-15,515.91-4,101.39

Finding the Fourth Proportional to 10,342.62, 15,515.91 and 4,101.39

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Solution

The fourth proportional to 10,342.62, 15,515.91 and 4,101.39 is: 6,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.62 : 15,515.91 = 4,101.39 : x
  2. Step 2: Convert to fraction form
    10,342.62/15,515.91 = 4,101.39/x
  3. Step 3: Cross multiply
    10,342.62x = 15,515.91 × 4,101.39
  4. Step 4: Simplify right side
    10,342.62x = 63,636,798.11
  5. Step 5: Solve for x
    x = 63,636,798.11/10,342.62
  6. Step 6: Final answer
    x = 6,152.87

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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.