Home / 9,078.17-13,618.09-3,531.93

Finding the Fourth Proportional to 9,078.17, 13,618.09 and 3,531.93

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Solution

The fourth proportional to 9,078.17, 13,618.09 and 3,531.93 is: 5,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.17 : 13,618.09 = 3,531.93 : x
  2. Step 2: Convert to fraction form
    9,078.17/13,618.09 = 3,531.93/x
  3. Step 3: Cross multiply
    9,078.17x = 13,618.09 × 3,531.93
  4. Step 4: Simplify right side
    9,078.17x = 48,098,140.61
  5. Step 5: Solve for x
    x = 48,098,140.61/9,078.17
  6. Step 6: Final answer
    x = 5,298.22

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1.5x scale

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.