Home / 10,227.45-15,341.51-2,831.29

Finding the Fourth Proportional to 10,227.45, 15,341.51 and 2,831.29

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Solution

The fourth proportional to 10,227.45, 15,341.51 and 2,831.29 is: 4,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.45 : 15,341.51 = 2,831.29 : x
  2. Step 2: Convert to fraction form
    10,227.45/15,341.51 = 2,831.29/x
  3. Step 3: Cross multiply
    10,227.45x = 15,341.51 × 2,831.29
  4. Step 4: Simplify right side
    10,227.45x = 43,436,263.85
  5. Step 5: Solve for x
    x = 43,436,263.85/10,227.45
  6. Step 6: Final answer
    x = 4,247.03

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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.