Home / 10,418.64-15,624.66-3,491.52

Finding the Fourth Proportional to 10,418.64, 15,624.66 and 3,491.52

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Solution

The fourth proportional to 10,418.64, 15,624.66 and 3,491.52 is: 5,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.64 : 15,624.66 = 3,491.52 : x
  2. Step 2: Convert to fraction form
    10,418.64/15,624.66 = 3,491.52/x
  3. Step 3: Cross multiply
    10,418.64x = 15,624.66 × 3,491.52
  4. Step 4: Simplify right side
    10,418.64x = 54,553,812.88
  5. Step 5: Solve for x
    x = 54,553,812.88/10,418.64
  6. Step 6: Final answer
    x = 5,236.17

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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.