Home / 10,171.45-15,252.31-4,971.25

Finding the Fourth Proportional to 10,171.45, 15,252.31 and 4,971.25

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Solution

The fourth proportional to 10,171.45, 15,252.31 and 4,971.25 is: 7,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.45 : 15,252.31 = 4,971.25 : x
  2. Step 2: Convert to fraction form
    10,171.45/15,252.31 = 4,971.25/x
  3. Step 3: Cross multiply
    10,171.45x = 15,252.31 × 4,971.25
  4. Step 4: Simplify right side
    10,171.45x = 75,823,046.09
  5. Step 5: Solve for x
    x = 75,823,046.09/10,171.45
  6. Step 6: Final answer
    x = 7,454.50

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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.