Home / 10,778.50-14,874.43-5,998.65

Finding the Fourth Proportional to 10,778.50, 14,874.43 and 5,998.65

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Solution

The fourth proportional to 10,778.50, 14,874.43 and 5,998.65 is: 8,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.50 : 14,874.43 = 5,998.65 : x
  2. Step 2: Convert to fraction form
    10,778.50/14,874.43 = 5,998.65/x
  3. Step 3: Cross multiply
    10,778.50x = 14,874.43 × 5,998.65
  4. Step 4: Simplify right side
    10,778.50x = 89,226,439.99
  5. Step 5: Solve for x
    x = 89,226,439.99/10,778.50
  6. Step 6: Final answer
    x = 8,278.19

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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.