Home / 9,727.92-13,425.84-5,751.36

Finding the Fourth Proportional to 9,727.92, 13,425.84 and 5,751.36

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Solution

The fourth proportional to 9,727.92, 13,425.84 and 5,751.36 is: 7,937.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,727.92 : 13,425.84 = 5,751.36 : x
  2. Step 2: Convert to fraction form
    9,727.92/13,425.84 = 5,751.36/x
  3. Step 3: Cross multiply
    9,727.92x = 13,425.84 × 5,751.36
  4. Step 4: Simplify right side
    9,727.92x = 77,216,839.14
  5. Step 5: Solve for x
    x = 77,216,839.14/9,727.92
  6. Step 6: Final answer
    x = 7,937.65

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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.