Home / 7,398.28-11,091.95-3,498.13

Finding the Fourth Proportional to 7,398.28, 11,091.95 and 3,498.13

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Solution

The fourth proportional to 7,398.28, 11,091.95 and 3,498.13 is: 5,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.28 : 11,091.95 = 3,498.13 : x
  2. Step 2: Convert to fraction form
    7,398.28/11,091.95 = 3,498.13/x
  3. Step 3: Cross multiply
    7,398.28x = 11,091.95 × 3,498.13
  4. Step 4: Simplify right side
    7,398.28x = 38,801,010.10
  5. Step 5: Solve for x
    x = 38,801,010.10/7,398.28
  6. Step 6: Final answer
    x = 5,244.60

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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.