Home / 8,812.10-12,161.26-5,822.69

Finding the Fourth Proportional to 8,812.10, 12,161.26 and 5,822.69

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Solution

The fourth proportional to 8,812.10, 12,161.26 and 5,822.69 is: 8,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.10 : 12,161.26 = 5,822.69 : x
  2. Step 2: Convert to fraction form
    8,812.10/12,161.26 = 5,822.69/x
  3. Step 3: Cross multiply
    8,812.10x = 12,161.26 × 5,822.69
  4. Step 4: Simplify right side
    8,812.10x = 70,811,246.99
  5. Step 5: Solve for x
    x = 70,811,246.99/8,812.10
  6. Step 6: Final answer
    x = 8,035.68

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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.