Home / 9,760.14-13,468.12-5,780.58

Finding the Fourth Proportional to 9,760.14, 13,468.12 and 5,780.58

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Solution

The fourth proportional to 9,760.14, 13,468.12 and 5,780.58 is: 7,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.14 : 13,468.12 = 5,780.58 : x
  2. Step 2: Convert to fraction form
    9,760.14/13,468.12 = 5,780.58/x
  3. Step 3: Cross multiply
    9,760.14x = 13,468.12 × 5,780.58
  4. Step 4: Simplify right side
    9,760.14x = 77,853,545.11
  5. Step 5: Solve for x
    x = 77,853,545.11/9,760.14
  6. Step 6: Final answer
    x = 7,976.68

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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.