Home / 9,329.16-13,985.80-4,132.20

Finding the Fourth Proportional to 9,329.16, 13,985.80 and 4,132.20

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Solution

The fourth proportional to 9,329.16, 13,985.80 and 4,132.20 is: 6,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.16 : 13,985.80 = 4,132.20 : x
  2. Step 2: Convert to fraction form
    9,329.16/13,985.80 = 4,132.20/x
  3. Step 3: Cross multiply
    9,329.16x = 13,985.80 × 4,132.20
  4. Step 4: Simplify right side
    9,329.16x = 57,792,122.76
  5. Step 5: Solve for x
    x = 57,792,122.76/9,329.16
  6. Step 6: Final answer
    x = 6,194.78

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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.