Home / 10,080.30-13,910.78-5,604.47

Finding the Fourth Proportional to 10,080.30, 13,910.78 and 5,604.47

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Solution

The fourth proportional to 10,080.30, 13,910.78 and 5,604.47 is: 7,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.30 : 13,910.78 = 5,604.47 : x
  2. Step 2: Convert to fraction form
    10,080.30/13,910.78 = 5,604.47/x
  3. Step 3: Cross multiply
    10,080.30x = 13,910.78 × 5,604.47
  4. Step 4: Simplify right side
    10,080.30x = 77,962,549.19
  5. Step 5: Solve for x
    x = 77,962,549.19/10,080.30
  6. Step 6: Final answer
    x = 7,734.15

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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.