Home / 9,335.09-12,882.17-5,355.95

Finding the Fourth Proportional to 9,335.09, 12,882.17 and 5,355.95

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Solution

The fourth proportional to 9,335.09, 12,882.17 and 5,355.95 is: 7,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.09 : 12,882.17 = 5,355.95 : x
  2. Step 2: Convert to fraction form
    9,335.09/12,882.17 = 5,355.95/x
  3. Step 3: Cross multiply
    9,335.09x = 12,882.17 × 5,355.95
  4. Step 4: Simplify right side
    9,335.09x = 68,996,207.39
  5. Step 5: Solve for x
    x = 68,996,207.39/9,335.09
  6. Step 6: Final answer
    x = 7,391.06

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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.