Home / 10,720.06-16,077.53-3,700.30

Finding the Fourth Proportional to 10,720.06, 16,077.53 and 3,700.30

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Solution

The fourth proportional to 10,720.06, 16,077.53 and 3,700.30 is: 5,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.06 : 16,077.53 = 3,700.30 : x
  2. Step 2: Convert to fraction form
    10,720.06/16,077.53 = 3,700.30/x
  3. Step 3: Cross multiply
    10,720.06x = 16,077.53 × 3,700.30
  4. Step 4: Simplify right side
    10,720.06x = 59,491,691.36
  5. Step 5: Solve for x
    x = 59,491,691.36/10,720.06
  6. Step 6: Final answer
    x = 5,549.57

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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.