Home / 10,015.40-15,025.56-3,441.68

Finding the Fourth Proportional to 10,015.40, 15,025.56 and 3,441.68

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Solution

The fourth proportional to 10,015.40, 15,025.56 and 3,441.68 is: 5,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.40 : 15,025.56 = 3,441.68 : x
  2. Step 2: Convert to fraction form
    10,015.40/15,025.56 = 3,441.68/x
  3. Step 3: Cross multiply
    10,015.40x = 15,025.56 × 3,441.68
  4. Step 4: Simplify right side
    10,015.40x = 51,713,169.34
  5. Step 5: Solve for x
    x = 51,713,169.34/10,015.40
  6. Step 6: Final answer
    x = 5,163.37

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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.