Home / 10,081.02-15,121.53-3,061.02

Finding the Fourth Proportional to 10,081.02, 15,121.53 and 3,061.02

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Solution

The fourth proportional to 10,081.02, 15,121.53 and 3,061.02 is: 4,591.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.02 : 15,121.53 = 3,061.02 : x
  2. Step 2: Convert to fraction form
    10,081.02/15,121.53 = 3,061.02/x
  3. Step 3: Cross multiply
    10,081.02x = 15,121.53 × 3,061.02
  4. Step 4: Simplify right side
    10,081.02x = 46,287,305.76
  5. Step 5: Solve for x
    x = 46,287,305.76/10,081.02
  6. Step 6: Final answer
    x = 4,591.53

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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.