Home / 10,747.02-16,121.30-4,500.74

Finding the Fourth Proportional to 10,747.02, 16,121.30 and 4,500.74

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Solution

The fourth proportional to 10,747.02, 16,121.30 and 4,500.74 is: 6,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.02 : 16,121.30 = 4,500.74 : x
  2. Step 2: Convert to fraction form
    10,747.02/16,121.30 = 4,500.74/x
  3. Step 3: Cross multiply
    10,747.02x = 16,121.30 × 4,500.74
  4. Step 4: Simplify right side
    10,747.02x = 72,557,779.76
  5. Step 5: Solve for x
    x = 72,557,779.76/10,747.02
  6. Step 6: Final answer
    x = 6,751.43

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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.