Home / 6,876.32-9,489.27-3,732.51

Finding the Fourth Proportional to 6,876.32, 9,489.27 and 3,732.51

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Solution

The fourth proportional to 6,876.32, 9,489.27 and 3,732.51 is: 5,150.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.32 : 9,489.27 = 3,732.51 : x
  2. Step 2: Convert to fraction form
    6,876.32/9,489.27 = 3,732.51/x
  3. Step 3: Cross multiply
    6,876.32x = 9,489.27 × 3,732.51
  4. Step 4: Simplify right side
    6,876.32x = 35,418,776.51
  5. Step 5: Solve for x
    x = 35,418,776.51/6,876.32
  6. Step 6: Final answer
    x = 5,150.83

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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.