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Finding the Fourth Proportional to 10,811.79, 16,223.76 and 5,881.77

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Solution

The fourth proportional to 10,811.79, 16,223.76 and 5,881.77 is: 8,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.79 : 16,223.76 = 5,881.77 : x
  2. Step 2: Convert to fraction form
    10,811.79/16,223.76 = 5,881.77/x
  3. Step 3: Cross multiply
    10,811.79x = 16,223.76 × 5,881.77
  4. Step 4: Simplify right side
    10,811.79x = 95,424,450.71
  5. Step 5: Solve for x
    x = 95,424,450.71/10,811.79
  6. Step 6: Final answer
    x = 8,825.96

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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.