Home / 8,080.21-11,152.03-4,722.38

Finding the Fourth Proportional to 8,080.21, 11,152.03 and 4,722.38

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Solution

The fourth proportional to 8,080.21, 11,152.03 and 4,722.38 is: 6,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.21 : 11,152.03 = 4,722.38 : x
  2. Step 2: Convert to fraction form
    8,080.21/11,152.03 = 4,722.38/x
  3. Step 3: Cross multiply
    8,080.21x = 11,152.03 × 4,722.38
  4. Step 4: Simplify right side
    8,080.21x = 52,664,075.17
  5. Step 5: Solve for x
    x = 52,664,075.17/8,080.21
  6. Step 6: Final answer
    x = 6,517.66

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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.