Home / 10,080.73-15,111.65-3,412.56

Finding the Fourth Proportional to 10,080.73, 15,111.65 and 3,412.56

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Solution

The fourth proportional to 10,080.73, 15,111.65 and 3,412.56 is: 5,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.73 : 15,111.65 = 3,412.56 : x
  2. Step 2: Convert to fraction form
    10,080.73/15,111.65 = 3,412.56/x
  3. Step 3: Cross multiply
    10,080.73x = 15,111.65 × 3,412.56
  4. Step 4: Simplify right side
    10,080.73x = 51,569,412.32
  5. Step 5: Solve for x
    x = 51,569,412.32/10,080.73
  6. Step 6: Final answer
    x = 5,115.64

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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.