Home / 11,705.88-17,561.25-6,156.18

Finding the Fourth Proportional to 11,705.88, 17,561.25 and 6,156.18

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Solution

The fourth proportional to 11,705.88, 17,561.25 and 6,156.18 is: 9,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.88 : 17,561.25 = 6,156.18 : x
  2. Step 2: Convert to fraction form
    11,705.88/17,561.25 = 6,156.18/x
  3. Step 3: Cross multiply
    11,705.88x = 17,561.25 × 6,156.18
  4. Step 4: Simplify right side
    11,705.88x = 108,110,216.03
  5. Step 5: Solve for x
    x = 108,110,216.03/11,705.88
  6. Step 6: Final answer
    x = 9,235.55

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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.