Home / 9,991.60-13,786.14-5,799.04

Finding the Fourth Proportional to 9,991.60, 13,786.14 and 5,799.04

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Solution

The fourth proportional to 9,991.60, 13,786.14 and 5,799.04 is: 8,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.60 : 13,786.14 = 5,799.04 : x
  2. Step 2: Convert to fraction form
    9,991.60/13,786.14 = 5,799.04/x
  3. Step 3: Cross multiply
    9,991.60x = 13,786.14 × 5,799.04
  4. Step 4: Simplify right side
    9,991.60x = 79,946,377.31
  5. Step 5: Solve for x
    x = 79,946,377.31/9,991.60
  6. Step 6: Final answer
    x = 8,001.36

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Similar ratio
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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.