Home / 8,862.28-12,222.50-5,324.81

Finding the Fourth Proportional to 8,862.28, 12,222.50 and 5,324.81

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Solution

The fourth proportional to 8,862.28, 12,222.50 and 5,324.81 is: 7,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.28 : 12,222.50 = 5,324.81 : x
  2. Step 2: Convert to fraction form
    8,862.28/12,222.50 = 5,324.81/x
  3. Step 3: Cross multiply
    8,862.28x = 12,222.50 × 5,324.81
  4. Step 4: Simplify right side
    8,862.28x = 65,082,402.49
  5. Step 5: Solve for x
    x = 65,082,402.49/8,862.28
  6. Step 6: Final answer
    x = 7,343.76

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1.5x scale

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.