Home / 11,486.48-17,114.20-10,731.96

Finding the Fourth Proportional to 11,486.48, 17,114.20 and 10,731.96

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Solution

The fourth proportional to 11,486.48, 17,114.20 and 10,731.96 is: 15,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.48 : 17,114.20 = 10,731.96 : x
  2. Step 2: Convert to fraction form
    11,486.48/17,114.20 = 10,731.96/x
  3. Step 3: Cross multiply
    11,486.48x = 17,114.20 × 10,731.96
  4. Step 4: Simplify right side
    11,486.48x = 183,668,909.83
  5. Step 5: Solve for x
    x = 183,668,909.83/11,486.48
  6. Step 6: Final answer
    x = 15,990.01

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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.