Home / 9,140.22-13,701.62-3,591.72

Finding the Fourth Proportional to 9,140.22, 13,701.62 and 3,591.72

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Solution

The fourth proportional to 9,140.22, 13,701.62 and 3,591.72 is: 5,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.22 : 13,701.62 = 3,591.72 : x
  2. Step 2: Convert to fraction form
    9,140.22/13,701.62 = 3,591.72/x
  3. Step 3: Cross multiply
    9,140.22x = 13,701.62 × 3,591.72
  4. Step 4: Simplify right side
    9,140.22x = 49,212,391.57
  5. Step 5: Solve for x
    x = 49,212,391.57/9,140.22
  6. Step 6: Final answer
    x = 5,384.16

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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.