Home / 9,254.30-12,770.82-5,275.28

Finding the Fourth Proportional to 9,254.30, 12,770.82 and 5,275.28

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Solution

The fourth proportional to 9,254.30, 12,770.82 and 5,275.28 is: 7,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,254.30 : 12,770.82 = 5,275.28 : x
  2. Step 2: Convert to fraction form
    9,254.30/12,770.82 = 5,275.28/x
  3. Step 3: Cross multiply
    9,254.30x = 12,770.82 × 5,275.28
  4. Step 4: Simplify right side
    9,254.30x = 67,369,651.33
  5. Step 5: Solve for x
    x = 67,369,651.33/9,254.30
  6. Step 6: Final answer
    x = 7,279.82

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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.