Home / 10,177.47-15,268.38-3,157.32

Finding the Fourth Proportional to 10,177.47, 15,268.38 and 3,157.32

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Solution

The fourth proportional to 10,177.47, 15,268.38 and 3,157.32 is: 4,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.47 : 15,268.38 = 3,157.32 : x
  2. Step 2: Convert to fraction form
    10,177.47/15,268.38 = 3,157.32/x
  3. Step 3: Cross multiply
    10,177.47x = 15,268.38 × 3,157.32
  4. Step 4: Simplify right side
    10,177.47x = 48,207,161.54
  5. Step 5: Solve for x
    x = 48,207,161.54/10,177.47
  6. Step 6: Final answer
    x = 4,736.65

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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.