Home / 8,764.14-13,143.87-5,990.34

Finding the Fourth Proportional to 8,764.14, 13,143.87 and 5,990.34

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Solution

The fourth proportional to 8,764.14, 13,143.87 and 5,990.34 is: 8,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.14 : 13,143.87 = 5,990.34 : x
  2. Step 2: Convert to fraction form
    8,764.14/13,143.87 = 5,990.34/x
  3. Step 3: Cross multiply
    8,764.14x = 13,143.87 × 5,990.34
  4. Step 4: Simplify right side
    8,764.14x = 78,736,250.22
  5. Step 5: Solve for x
    x = 78,736,250.22/8,764.14
  6. Step 6: Final answer
    x = 8,983.91

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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.