Home / 10,080.64-13,910.04-6,103.60

Finding the Fourth Proportional to 10,080.64, 13,910.04 and 6,103.60

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Solution

The fourth proportional to 10,080.64, 13,910.04 and 6,103.60 is: 8,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.64 : 13,910.04 = 6,103.60 : x
  2. Step 2: Convert to fraction form
    10,080.64/13,910.04 = 6,103.60/x
  3. Step 3: Cross multiply
    10,080.64x = 13,910.04 × 6,103.60
  4. Step 4: Simplify right side
    10,080.64x = 84,901,320.14
  5. Step 5: Solve for x
    x = 84,901,320.14/10,080.64
  6. Step 6: Final answer
    x = 8,422.22

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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.