Home / 9,672.45-13,348.85-5,691.57

Finding the Fourth Proportional to 9,672.45, 13,348.85 and 5,691.57

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Solution

The fourth proportional to 9,672.45, 13,348.85 and 5,691.57 is: 7,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.45 : 13,348.85 = 5,691.57 : x
  2. Step 2: Convert to fraction form
    9,672.45/13,348.85 = 5,691.57/x
  3. Step 3: Cross multiply
    9,672.45x = 13,348.85 × 5,691.57
  4. Step 4: Simplify right side
    9,672.45x = 75,975,885.74
  5. Step 5: Solve for x
    x = 75,975,885.74/9,672.45
  6. Step 6: Final answer
    x = 7,854.88

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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.