Home / 10,091.55-15,126.53-4,543.95

Finding the Fourth Proportional to 10,091.55, 15,126.53 and 4,543.95

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Solution

The fourth proportional to 10,091.55, 15,126.53 and 4,543.95 is: 6,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.55 : 15,126.53 = 4,543.95 : x
  2. Step 2: Convert to fraction form
    10,091.55/15,126.53 = 4,543.95/x
  3. Step 3: Cross multiply
    10,091.55x = 15,126.53 × 4,543.95
  4. Step 4: Simplify right side
    10,091.55x = 68,734,173.27
  5. Step 5: Solve for x
    x = 68,734,173.27/10,091.55
  6. Step 6: Final answer
    x = 6,811.06

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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.