Home / 10,080.88-15,053.38-8,235.64

Finding the Fourth Proportional to 10,080.88, 15,053.38 and 8,235.64

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Solution

The fourth proportional to 10,080.88, 15,053.38 and 8,235.64 is: 12,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.88 : 15,053.38 = 8,235.64 : x
  2. Step 2: Convert to fraction form
    10,080.88/15,053.38 = 8,235.64/x
  3. Step 3: Cross multiply
    10,080.88x = 15,053.38 × 8,235.64
  4. Step 4: Simplify right side
    10,080.88x = 123,974,218.46
  5. Step 5: Solve for x
    x = 123,974,218.46/10,080.88
  6. Step 6: Final answer
    x = 12,297.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.