Home / 12,470.49-18,712.62-5,080.16

Finding the Fourth Proportional to 12,470.49, 18,712.62 and 5,080.16

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Solution

The fourth proportional to 12,470.49, 18,712.62 and 5,080.16 is: 7,623.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.49 : 18,712.62 = 5,080.16 : x
  2. Step 2: Convert to fraction form
    12,470.49/18,712.62 = 5,080.16/x
  3. Step 3: Cross multiply
    12,470.49x = 18,712.62 × 5,080.16
  4. Step 4: Simplify right side
    12,470.49x = 95,063,010.06
  5. Step 5: Solve for x
    x = 95,063,010.06/12,470.49
  6. Step 6: Final answer
    x = 7,623.04

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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.