Home / 10,081.12-15,057.14-8,003.50

Finding the Fourth Proportional to 10,081.12, 15,057.14 and 8,003.50

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Solution

The fourth proportional to 10,081.12, 15,057.14 and 8,003.50 is: 11,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.12 : 15,057.14 = 8,003.50 : x
  2. Step 2: Convert to fraction form
    10,081.12/15,057.14 = 8,003.50/x
  3. Step 3: Cross multiply
    10,081.12x = 15,057.14 × 8,003.50
  4. Step 4: Simplify right side
    10,081.12x = 120,509,819.99
  5. Step 5: Solve for x
    x = 120,509,819.99/10,081.12
  6. Step 6: Final answer
    x = 11,954.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.