Home / 11,581.12-17,371.68-4,654

Finding the Fourth Proportional to 11,581.12, 17,371.68 and 4,654

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Solution

The fourth proportional to 11,581.12, 17,371.68 and 4,654 is: 6,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.12 : 17,371.68 = 4,654 : x
  2. Step 2: Convert to fraction form
    11,581.12/17,371.68 = 4,654/x
  3. Step 3: Cross multiply
    11,581.12x = 17,371.68 × 4,654
  4. Step 4: Simplify right side
    11,581.12x = 80,847,798.72
  5. Step 5: Solve for x
    x = 80,847,798.72/11,581.12
  6. Step 6: Final answer
    x = 6,981.00

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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.