Home / 9,332.39-12,878.17-5,353.13

Finding the Fourth Proportional to 9,332.39, 12,878.17 and 5,353.13

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Solution

The fourth proportional to 9,332.39, 12,878.17 and 5,353.13 is: 7,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.39 : 12,878.17 = 5,353.13 : x
  2. Step 2: Convert to fraction form
    9,332.39/12,878.17 = 5,353.13/x
  3. Step 3: Cross multiply
    9,332.39x = 12,878.17 × 5,353.13
  4. Step 4: Simplify right side
    9,332.39x = 68,938,440.40
  5. Step 5: Solve for x
    x = 68,938,440.40/9,332.39
  6. Step 6: Final answer
    x = 7,387.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.