Home / 7,151.60-9,867.17-4,126.48

Finding the Fourth Proportional to 7,151.60, 9,867.17 and 4,126.48

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Solution

The fourth proportional to 7,151.60, 9,867.17 and 4,126.48 is: 5,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.60 : 9,867.17 = 4,126.48 : x
  2. Step 2: Convert to fraction form
    7,151.60/9,867.17 = 4,126.48/x
  3. Step 3: Cross multiply
    7,151.60x = 9,867.17 × 4,126.48
  4. Step 4: Simplify right side
    7,151.60x = 40,716,609.69
  5. Step 5: Solve for x
    x = 40,716,609.69/7,151.60
  6. Step 6: Final answer
    x = 5,693.36

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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.