Home / 7,081.14-9,770.24-4,248.72

Finding the Fourth Proportional to 7,081.14, 9,770.24 and 4,248.72

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Solution

The fourth proportional to 7,081.14, 9,770.24 and 4,248.72 is: 5,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.14 : 9,770.24 = 4,248.72 : x
  2. Step 2: Convert to fraction form
    7,081.14/9,770.24 = 4,248.72/x
  3. Step 3: Cross multiply
    7,081.14x = 9,770.24 × 4,248.72
  4. Step 4: Simplify right side
    7,081.14x = 41,510,992.85
  5. Step 5: Solve for x
    x = 41,510,992.85/7,081.14
  6. Step 6: Final answer
    x = 5,862.19

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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.