Home / 7,555.16-11,336.45-3,398.10

Finding the Fourth Proportional to 7,555.16, 11,336.45 and 3,398.10

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Solution

The fourth proportional to 7,555.16, 11,336.45 and 3,398.10 is: 5,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.16 : 11,336.45 = 3,398.10 : x
  2. Step 2: Convert to fraction form
    7,555.16/11,336.45 = 3,398.10/x
  3. Step 3: Cross multiply
    7,555.16x = 11,336.45 × 3,398.10
  4. Step 4: Simplify right side
    7,555.16x = 38,522,373.75
  5. Step 5: Solve for x
    x = 38,522,373.75/7,555.16
  6. Step 6: Final answer
    x = 5,098.82

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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.