Home / 9,543.74-13,170.39-5,294.88

Finding the Fourth Proportional to 9,543.74, 13,170.39 and 5,294.88

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Solution

The fourth proportional to 9,543.74, 13,170.39 and 5,294.88 is: 7,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.74 : 13,170.39 = 5,294.88 : x
  2. Step 2: Convert to fraction form
    9,543.74/13,170.39 = 5,294.88/x
  3. Step 3: Cross multiply
    9,543.74x = 13,170.39 × 5,294.88
  4. Step 4: Simplify right side
    9,543.74x = 69,735,634.60
  5. Step 5: Solve for x
    x = 69,735,634.60/9,543.74
  6. Step 6: Final answer
    x = 7,306.95

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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.