Home / 7,454.24-10,286.90-4,097.12

Finding the Fourth Proportional to 7,454.24, 10,286.90 and 4,097.12

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Solution

The fourth proportional to 7,454.24, 10,286.90 and 4,097.12 is: 5,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.24 : 10,286.90 = 4,097.12 : x
  2. Step 2: Convert to fraction form
    7,454.24/10,286.90 = 4,097.12/x
  3. Step 3: Cross multiply
    7,454.24x = 10,286.90 × 4,097.12
  4. Step 4: Simplify right side
    7,454.24x = 42,146,663.73
  5. Step 5: Solve for x
    x = 42,146,663.73/7,454.24
  6. Step 6: Final answer
    x = 5,654.05

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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.