Home / 8,133.28-11,223.90-4,407.28

Finding the Fourth Proportional to 8,133.28, 11,223.90 and 4,407.28

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Solution

The fourth proportional to 8,133.28, 11,223.90 and 4,407.28 is: 6,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.28 : 11,223.90 = 4,407.28 : x
  2. Step 2: Convert to fraction form
    8,133.28/11,223.90 = 4,407.28/x
  3. Step 3: Cross multiply
    8,133.28x = 11,223.90 × 4,407.28
  4. Step 4: Simplify right side
    8,133.28x = 49,466,869.99
  5. Step 5: Solve for x
    x = 49,466,869.99/8,133.28
  6. Step 6: Final answer
    x = 6,082.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.