Home / 11,780.12-17,672.15-5,461.34

Finding the Fourth Proportional to 11,780.12, 17,672.15 and 5,461.34

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Solution

The fourth proportional to 11,780.12, 17,672.15 and 5,461.34 is: 8,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.12 : 17,672.15 = 5,461.34 : x
  2. Step 2: Convert to fraction form
    11,780.12/17,672.15 = 5,461.34/x
  3. Step 3: Cross multiply
    11,780.12x = 17,672.15 × 5,461.34
  4. Step 4: Simplify right side
    11,780.12x = 96,513,544.97
  5. Step 5: Solve for x
    x = 96,513,544.97/11,780.12
  6. Step 6: Final answer
    x = 8,192.92

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1.5x scale

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.