Home / 9,197.60-12,681.36-7,517.28

Finding the Fourth Proportional to 9,197.60, 12,681.36 and 7,517.28

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Solution

The fourth proportional to 9,197.60, 12,681.36 and 7,517.28 is: 10,364.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197.60 : 12,681.36 = 7,517.28 : x
  2. Step 2: Convert to fraction form
    9,197.60/12,681.36 = 7,517.28/x
  3. Step 3: Cross multiply
    9,197.60x = 12,681.36 × 7,517.28
  4. Step 4: Simplify right side
    9,197.60x = 95,329,333.90
  5. Step 5: Solve for x
    x = 95,329,333.90/9,197.60
  6. Step 6: Final answer
    x = 10,364.59

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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.