Home / 10,832.43-14,948.91-6,115.80

Finding the Fourth Proportional to 10,832.43, 14,948.91 and 6,115.80

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Solution

The fourth proportional to 10,832.43, 14,948.91 and 6,115.80 is: 8,439.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,832.43 : 14,948.91 = 6,115.80 : x
  2. Step 2: Convert to fraction form
    10,832.43/14,948.91 = 6,115.80/x
  3. Step 3: Cross multiply
    10,832.43x = 14,948.91 × 6,115.80
  4. Step 4: Simplify right side
    10,832.43x = 91,424,543.78
  5. Step 5: Solve for x
    x = 91,424,543.78/10,832.43
  6. Step 6: Final answer
    x = 8,439.89

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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.