Home / 8,331.46-12,488.91-4,635.38

Finding the Fourth Proportional to 8,331.46, 12,488.91 and 4,635.38

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Solution

The fourth proportional to 8,331.46, 12,488.91 and 4,635.38 is: 6,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.46 : 12,488.91 = 4,635.38 : x
  2. Step 2: Convert to fraction form
    8,331.46/12,488.91 = 4,635.38/x
  3. Step 3: Cross multiply
    8,331.46x = 12,488.91 × 4,635.38
  4. Step 4: Simplify right side
    8,331.46x = 57,890,843.64
  5. Step 5: Solve for x
    x = 57,890,843.64/8,331.46
  6. Step 6: Final answer
    x = 6,948.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.