Home / 9,179.98-12,668.08-5,402.27

Finding the Fourth Proportional to 9,179.98, 12,668.08 and 5,402.27

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Solution

The fourth proportional to 9,179.98, 12,668.08 and 5,402.27 is: 7,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.98 : 12,668.08 = 5,402.27 : x
  2. Step 2: Convert to fraction form
    9,179.98/12,668.08 = 5,402.27/x
  3. Step 3: Cross multiply
    9,179.98x = 12,668.08 × 5,402.27
  4. Step 4: Simplify right side
    9,179.98x = 68,436,361.53
  5. Step 5: Solve for x
    x = 68,436,361.53/9,179.98
  6. Step 6: Final answer
    x = 7,454.96

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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.