Home / 10,634.69-15,935.87-5,080.39

Finding the Fourth Proportional to 10,634.69, 15,935.87 and 5,080.39

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Solution

The fourth proportional to 10,634.69, 15,935.87 and 5,080.39 is: 7,612.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.69 : 15,935.87 = 5,080.39 : x
  2. Step 2: Convert to fraction form
    10,634.69/15,935.87 = 5,080.39/x
  3. Step 3: Cross multiply
    10,634.69x = 15,935.87 × 5,080.39
  4. Step 4: Simplify right side
    10,634.69x = 80,960,407.45
  5. Step 5: Solve for x
    x = 80,960,407.45/10,634.69
  6. Step 6: Final answer
    x = 7,612.86

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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.