Home / 10,171.88-15,258.08-3,246.38

Finding the Fourth Proportional to 10,171.88, 15,258.08 and 3,246.38

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Solution

The fourth proportional to 10,171.88, 15,258.08 and 3,246.38 is: 4,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.88 : 15,258.08 = 3,246.38 : x
  2. Step 2: Convert to fraction form
    10,171.88/15,258.08 = 3,246.38/x
  3. Step 3: Cross multiply
    10,171.88x = 15,258.08 × 3,246.38
  4. Step 4: Simplify right side
    10,171.88x = 49,533,525.75
  5. Step 5: Solve for x
    x = 49,533,525.75/10,171.88
  6. Step 6: Final answer
    x = 4,869.65

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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.