Home / 11,355.15-17,034.76-4,691.65

Finding the Fourth Proportional to 11,355.15, 17,034.76 and 4,691.65

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Solution

The fourth proportional to 11,355.15, 17,034.76 and 4,691.65 is: 7,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.15 : 17,034.76 = 4,691.65 : x
  2. Step 2: Convert to fraction form
    11,355.15/17,034.76 = 4,691.65/x
  3. Step 3: Cross multiply
    11,355.15x = 17,034.76 × 4,691.65
  4. Step 4: Simplify right side
    11,355.15x = 79,921,131.75
  5. Step 5: Solve for x
    x = 79,921,131.75/11,355.15
  6. Step 6: Final answer
    x = 7,038.32

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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.