Home / 10,839.62-14,959.90-6,124.22

Finding the Fourth Proportional to 10,839.62, 14,959.90 and 6,124.22

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Solution

The fourth proportional to 10,839.62, 14,959.90 and 6,124.22 is: 8,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.62 : 14,959.90 = 6,124.22 : x
  2. Step 2: Convert to fraction form
    10,839.62/14,959.90 = 6,124.22/x
  3. Step 3: Cross multiply
    10,839.62x = 14,959.90 × 6,124.22
  4. Step 4: Simplify right side
    10,839.62x = 91,617,718.78
  5. Step 5: Solve for x
    x = 91,617,718.78/10,839.62
  6. Step 6: Final answer
    x = 8,452.12

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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.