Home / 8,864.46-12,231.27-5,326.38

Finding the Fourth Proportional to 8,864.46, 12,231.27 and 5,326.38

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Solution

The fourth proportional to 8,864.46, 12,231.27 and 5,326.38 is: 7,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.46 : 12,231.27 = 5,326.38 : x
  2. Step 2: Convert to fraction form
    8,864.46/12,231.27 = 5,326.38/x
  3. Step 3: Cross multiply
    8,864.46x = 12,231.27 × 5,326.38
  4. Step 4: Simplify right side
    8,864.46x = 65,148,391.90
  5. Step 5: Solve for x
    x = 65,148,391.90/8,864.46
  6. Step 6: Final answer
    x = 7,349.39

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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.