Home / 10,080.23-15,110.90-3,412.06

Finding the Fourth Proportional to 10,080.23, 15,110.90 and 3,412.06

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Solution

The fourth proportional to 10,080.23, 15,110.90 and 3,412.06 is: 5,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.23 : 15,110.90 = 3,412.06 : x
  2. Step 2: Convert to fraction form
    10,080.23/15,110.90 = 3,412.06/x
  3. Step 3: Cross multiply
    10,080.23x = 15,110.90 × 3,412.06
  4. Step 4: Simplify right side
    10,080.23x = 51,559,327.56
  5. Step 5: Solve for x
    x = 51,559,327.56/10,080.23
  6. Step 6: Final answer
    x = 5,114.90

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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.