Home / 10,200.52-14,072.70-5,891.32

Finding the Fourth Proportional to 10,200.52, 14,072.70 and 5,891.32

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Solution

The fourth proportional to 10,200.52, 14,072.70 and 5,891.32 is: 8,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.52 : 14,072.70 = 5,891.32 : x
  2. Step 2: Convert to fraction form
    10,200.52/14,072.70 = 5,891.32/x
  3. Step 3: Cross multiply
    10,200.52x = 14,072.70 × 5,891.32
  4. Step 4: Simplify right side
    10,200.52x = 82,906,778.96
  5. Step 5: Solve for x
    x = 82,906,778.96/10,200.52
  6. Step 6: Final answer
    x = 8,127.70

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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.