Home / 12,332.24-18,531.84-6,491.60

Finding the Fourth Proportional to 12,332.24, 18,531.84 and 6,491.60

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Solution

The fourth proportional to 12,332.24, 18,531.84 and 6,491.60 is: 9,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.24 : 18,531.84 = 6,491.60 : x
  2. Step 2: Convert to fraction form
    12,332.24/18,531.84 = 6,491.60/x
  3. Step 3: Cross multiply
    12,332.24x = 18,531.84 × 6,491.60
  4. Step 4: Simplify right side
    12,332.24x = 120,301,292.54
  5. Step 5: Solve for x
    x = 120,301,292.54/12,332.24
  6. Step 6: Final answer
    x = 9,755.02

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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.