Home / 11,220.24-16,831.14-3,434.52

Finding the Fourth Proportional to 11,220.24, 16,831.14 and 3,434.52

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Solution

The fourth proportional to 11,220.24, 16,831.14 and 3,434.52 is: 5,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.24 : 16,831.14 = 3,434.52 : x
  2. Step 2: Convert to fraction form
    11,220.24/16,831.14 = 3,434.52/x
  3. Step 3: Cross multiply
    11,220.24x = 16,831.14 × 3,434.52
  4. Step 4: Simplify right side
    11,220.24x = 57,806,886.95
  5. Step 5: Solve for x
    x = 57,806,886.95/11,220.24
  6. Step 6: Final answer
    x = 5,152.02

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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.