Home / 10,127.80-13,976.68-5,878.52

Finding the Fourth Proportional to 10,127.80, 13,976.68 and 5,878.52

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Solution

The fourth proportional to 10,127.80, 13,976.68 and 5,878.52 is: 8,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.80 : 13,976.68 = 5,878.52 : x
  2. Step 2: Convert to fraction form
    10,127.80/13,976.68 = 5,878.52/x
  3. Step 3: Cross multiply
    10,127.80x = 13,976.68 × 5,878.52
  4. Step 4: Simplify right side
    10,127.80x = 82,162,192.91
  5. Step 5: Solve for x
    x = 82,162,192.91/10,127.80
  6. Step 6: Final answer
    x = 8,112.54

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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.