Home / 10,177.31-15,268.35-3,156.97

Finding the Fourth Proportional to 10,177.31, 15,268.35 and 3,156.97

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Solution

The fourth proportional to 10,177.31, 15,268.35 and 3,156.97 is: 4,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.31 : 15,268.35 = 3,156.97 : x
  2. Step 2: Convert to fraction form
    10,177.31/15,268.35 = 3,156.97/x
  3. Step 3: Cross multiply
    10,177.31x = 15,268.35 × 3,156.97
  4. Step 4: Simplify right side
    10,177.31x = 48,201,646.56
  5. Step 5: Solve for x
    x = 48,201,646.56/10,177.31
  6. Step 6: Final answer
    x = 4,736.19

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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.