Home / 7,397.90-11,069.04-4,113.38

Finding the Fourth Proportional to 7,397.90, 11,069.04 and 4,113.38

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Solution

The fourth proportional to 7,397.90, 11,069.04 and 4,113.38 is: 6,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.90 : 11,069.04 = 4,113.38 : x
  2. Step 2: Convert to fraction form
    7,397.90/11,069.04 = 4,113.38/x
  3. Step 3: Cross multiply
    7,397.90x = 11,069.04 × 4,113.38
  4. Step 4: Simplify right side
    7,397.90x = 45,531,167.76
  5. Step 5: Solve for x
    x = 45,531,167.76/7,397.90
  6. Step 6: Final answer
    x = 6,154.61

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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.