Home / 9,028.80-12,458.14-5,251.43

Finding the Fourth Proportional to 9,028.80, 12,458.14 and 5,251.43

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Solution

The fourth proportional to 9,028.80, 12,458.14 and 5,251.43 is: 7,246.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.80 : 12,458.14 = 5,251.43 : x
  2. Step 2: Convert to fraction form
    9,028.80/12,458.14 = 5,251.43/x
  3. Step 3: Cross multiply
    9,028.80x = 12,458.14 × 5,251.43
  4. Step 4: Simplify right side
    9,028.80x = 65,423,068.16
  5. Step 5: Solve for x
    x = 65,423,068.16/9,028.80
  6. Step 6: Final answer
    x = 7,246.04

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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.