Home / 8,264.50-11,406.05-5,121.16

Finding the Fourth Proportional to 8,264.50, 11,406.05 and 5,121.16

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Solution

The fourth proportional to 8,264.50, 11,406.05 and 5,121.16 is: 7,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.50 : 11,406.05 = 5,121.16 : x
  2. Step 2: Convert to fraction form
    8,264.50/11,406.05 = 5,121.16/x
  3. Step 3: Cross multiply
    8,264.50x = 11,406.05 × 5,121.16
  4. Step 4: Simplify right side
    8,264.50x = 58,412,172.10
  5. Step 5: Solve for x
    x = 58,412,172.10/8,264.50
  6. Step 6: Final answer
    x = 7,067.84

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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.