Home / 11,586.97-15,988.82-7,110.91

Finding the Fourth Proportional to 11,586.97, 15,988.82 and 7,110.91

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Solution

The fourth proportional to 11,586.97, 15,988.82 and 7,110.91 is: 9,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.97 : 15,988.82 = 7,110.91 : x
  2. Step 2: Convert to fraction form
    11,586.97/15,988.82 = 7,110.91/x
  3. Step 3: Cross multiply
    11,586.97x = 15,988.82 × 7,110.91
  4. Step 4: Simplify right side
    11,586.97x = 113,694,944.53
  5. Step 5: Solve for x
    x = 113,694,944.53/11,586.97
  6. Step 6: Final answer
    x = 9,812.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.