Home / 7,345.47-11,016.11-2,080.13

Finding the Fourth Proportional to 7,345.47, 11,016.11 and 2,080.13

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Solution

The fourth proportional to 7,345.47, 11,016.11 and 2,080.13 is: 3,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.47 : 11,016.11 = 2,080.13 : x
  2. Step 2: Convert to fraction form
    7,345.47/11,016.11 = 2,080.13/x
  3. Step 3: Cross multiply
    7,345.47x = 11,016.11 × 2,080.13
  4. Step 4: Simplify right side
    7,345.47x = 22,914,973.63
  5. Step 5: Solve for x
    x = 22,914,973.63/7,345.47
  6. Step 6: Final answer
    x = 3,119.61

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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.