Home / 10,199.22-15,298.88-6,711.15

Finding the Fourth Proportional to 10,199.22, 15,298.88 and 6,711.15

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Solution

The fourth proportional to 10,199.22, 15,298.88 and 6,711.15 is: 10,066.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.22 : 15,298.88 = 6,711.15 : x
  2. Step 2: Convert to fraction form
    10,199.22/15,298.88 = 6,711.15/x
  3. Step 3: Cross multiply
    10,199.22x = 15,298.88 × 6,711.15
  4. Step 4: Simplify right side
    10,199.22x = 102,673,102.33
  5. Step 5: Solve for x
    x = 102,673,102.33/10,199.22
  6. Step 6: Final answer
    x = 10,066.76

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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.