Home / 10,015.24-15,027.18-5,401.48

Finding the Fourth Proportional to 10,015.24, 15,027.18 and 5,401.48

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Solution

The fourth proportional to 10,015.24, 15,027.18 and 5,401.48 is: 8,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.24 : 15,027.18 = 5,401.48 : x
  2. Step 2: Convert to fraction form
    10,015.24/15,027.18 = 5,401.48/x
  3. Step 3: Cross multiply
    10,015.24x = 15,027.18 × 5,401.48
  4. Step 4: Simplify right side
    10,015.24x = 81,169,012.23
  5. Step 5: Solve for x
    x = 81,169,012.23/10,015.24
  6. Step 6: Final answer
    x = 8,104.55

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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.