Home / 10,962.76-15,128.68-5,927

Finding the Fourth Proportional to 10,962.76, 15,128.68 and 5,927

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Solution

The fourth proportional to 10,962.76, 15,128.68 and 5,927 is: 8,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.76 : 15,128.68 = 5,927 : x
  2. Step 2: Convert to fraction form
    10,962.76/15,128.68 = 5,927/x
  3. Step 3: Cross multiply
    10,962.76x = 15,128.68 × 5,927
  4. Step 4: Simplify right side
    10,962.76x = 89,667,686.36
  5. Step 5: Solve for x
    x = 89,667,686.36/10,962.76
  6. Step 6: Final answer
    x = 8,179.30

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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.