Home / 8,284.71-11,432.82-4,747.83

Finding the Fourth Proportional to 8,284.71, 11,432.82 and 4,747.83

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Solution

The fourth proportional to 8,284.71, 11,432.82 and 4,747.83 is: 6,551.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.71 : 11,432.82 = 4,747.83 : x
  2. Step 2: Convert to fraction form
    8,284.71/11,432.82 = 4,747.83/x
  3. Step 3: Cross multiply
    8,284.71x = 11,432.82 × 4,747.83
  4. Step 4: Simplify right side
    8,284.71x = 54,281,085.78
  5. Step 5: Solve for x
    x = 54,281,085.78/8,284.71
  6. Step 6: Final answer
    x = 6,551.96

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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.