Home / 10,754.20-16,131.30-4,610.20

Finding the Fourth Proportional to 10,754.20, 16,131.30 and 4,610.20

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Solution

The fourth proportional to 10,754.20, 16,131.30 and 4,610.20 is: 6,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.20 : 16,131.30 = 4,610.20 : x
  2. Step 2: Convert to fraction form
    10,754.20/16,131.30 = 4,610.20/x
  3. Step 3: Cross multiply
    10,754.20x = 16,131.30 × 4,610.20
  4. Step 4: Simplify right side
    10,754.20x = 74,368,519.26
  5. Step 5: Solve for x
    x = 74,368,519.26/10,754.20
  6. Step 6: Final answer
    x = 6,915.30

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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.