Home / 8,056.92-11,118.66-4,869.78

Finding the Fourth Proportional to 8,056.92, 11,118.66 and 4,869.78

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Solution

The fourth proportional to 8,056.92, 11,118.66 and 4,869.78 is: 6,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.92 : 11,118.66 = 4,869.78 : x
  2. Step 2: Convert to fraction form
    8,056.92/11,118.66 = 4,869.78/x
  3. Step 3: Cross multiply
    8,056.92x = 11,118.66 × 4,869.78
  4. Step 4: Simplify right side
    8,056.92x = 54,145,428.09
  5. Step 5: Solve for x
    x = 54,145,428.09/8,056.92
  6. Step 6: Final answer
    x = 6,720.36

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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.