Home / 10,080.74-15,118.67-3,155.24

Finding the Fourth Proportional to 10,080.74, 15,118.67 and 3,155.24

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Solution

The fourth proportional to 10,080.74, 15,118.67 and 3,155.24 is: 4,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.74 : 15,118.67 = 3,155.24 : x
  2. Step 2: Convert to fraction form
    10,080.74/15,118.67 = 3,155.24/x
  3. Step 3: Cross multiply
    10,080.74x = 15,118.67 × 3,155.24
  4. Step 4: Simplify right side
    10,080.74x = 47,703,078.02
  5. Step 5: Solve for x
    x = 47,703,078.02/10,080.74
  6. Step 6: Final answer
    x = 4,732.10

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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.