Home / 10,016.40-15,025.29-3,447.21

Finding the Fourth Proportional to 10,016.40, 15,025.29 and 3,447.21

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Solution

The fourth proportional to 10,016.40, 15,025.29 and 3,447.21 is: 5,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.40 : 15,025.29 = 3,447.21 : x
  2. Step 2: Convert to fraction form
    10,016.40/15,025.29 = 3,447.21/x
  3. Step 3: Cross multiply
    10,016.40x = 15,025.29 × 3,447.21
  4. Step 4: Simplify right side
    10,016.40x = 51,795,329.94
  5. Step 5: Solve for x
    x = 51,795,329.94/10,016.40
  6. Step 6: Final answer
    x = 5,171.05

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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.