Home / 9,045.60-13,540.02-5,037.30

Finding the Fourth Proportional to 9,045.60, 13,540.02 and 5,037.30

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Solution

The fourth proportional to 9,045.60, 13,540.02 and 5,037.30 is: 7,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.60 : 13,540.02 = 5,037.30 : x
  2. Step 2: Convert to fraction form
    9,045.60/13,540.02 = 5,037.30/x
  3. Step 3: Cross multiply
    9,045.60x = 13,540.02 × 5,037.30
  4. Step 4: Simplify right side
    9,045.60x = 68,205,142.75
  5. Step 5: Solve for x
    x = 68,205,142.75/9,045.60
  6. Step 6: Final answer
    x = 7,540.15

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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.