Home / 11,115.48-16,678.15-5,849.21

Finding the Fourth Proportional to 11,115.48, 16,678.15 and 5,849.21

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Solution

The fourth proportional to 11,115.48, 16,678.15 and 5,849.21 is: 8,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.48 : 16,678.15 = 5,849.21 : x
  2. Step 2: Convert to fraction form
    11,115.48/16,678.15 = 5,849.21/x
  3. Step 3: Cross multiply
    11,115.48x = 16,678.15 × 5,849.21
  4. Step 4: Simplify right side
    11,115.48x = 97,554,061.74
  5. Step 5: Solve for x
    x = 97,554,061.74/11,115.48
  6. Step 6: Final answer
    x = 8,776.42

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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.