Home / 7,398.16-11,100.12-3,505.84

Finding the Fourth Proportional to 7,398.16, 11,100.12 and 3,505.84

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Solution

The fourth proportional to 7,398.16, 11,100.12 and 3,505.84 is: 5,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.16 : 11,100.12 = 3,505.84 : x
  2. Step 2: Convert to fraction form
    7,398.16/11,100.12 = 3,505.84/x
  3. Step 3: Cross multiply
    7,398.16x = 11,100.12 × 3,505.84
  4. Step 4: Simplify right side
    7,398.16x = 38,915,244.70
  5. Step 5: Solve for x
    x = 38,915,244.70/7,398.16
  6. Step 6: Final answer
    x = 5,260.12

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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.