Home / 9,167.14-12,650.27-5,188.47

Finding the Fourth Proportional to 9,167.14, 12,650.27 and 5,188.47

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Solution

The fourth proportional to 9,167.14, 12,650.27 and 5,188.47 is: 7,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.14 : 12,650.27 = 5,188.47 : x
  2. Step 2: Convert to fraction form
    9,167.14/12,650.27 = 5,188.47/x
  3. Step 3: Cross multiply
    9,167.14x = 12,650.27 × 5,188.47
  4. Step 4: Simplify right side
    9,167.14x = 65,635,546.39
  5. Step 5: Solve for x
    x = 65,635,546.39/9,167.14
  6. Step 6: Final answer
    x = 7,159.87

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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.