Home / 12,352.28-18,531.54-3,587

Finding the Fourth Proportional to 12,352.28, 18,531.54 and 3,587

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Solution

The fourth proportional to 12,352.28, 18,531.54 and 3,587 is: 5,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.28 : 18,531.54 = 3,587 : x
  2. Step 2: Convert to fraction form
    12,352.28/18,531.54 = 3,587/x
  3. Step 3: Cross multiply
    12,352.28x = 18,531.54 × 3,587
  4. Step 4: Simplify right side
    12,352.28x = 66,472,633.98
  5. Step 5: Solve for x
    x = 66,472,633.98/12,352.28
  6. Step 6: Final answer
    x = 5,381.41

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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.