Home / 9,251.88-12,766.67-5,272.76

Finding the Fourth Proportional to 9,251.88, 12,766.67 and 5,272.76

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Solution

The fourth proportional to 9,251.88, 12,766.67 and 5,272.76 is: 7,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.88 : 12,766.67 = 5,272.76 : x
  2. Step 2: Convert to fraction form
    9,251.88/12,766.67 = 5,272.76/x
  3. Step 3: Cross multiply
    9,251.88x = 12,766.67 × 5,272.76
  4. Step 4: Simplify right side
    9,251.88x = 67,315,496.71
  5. Step 5: Solve for x
    x = 67,315,496.71/9,251.88
  6. Step 6: Final answer
    x = 7,275.87

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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.