Home / 8,772.09-12,105.51-4,793.25

Finding the Fourth Proportional to 8,772.09, 12,105.51 and 4,793.25

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Solution

The fourth proportional to 8,772.09, 12,105.51 and 4,793.25 is: 6,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.09 : 12,105.51 = 4,793.25 : x
  2. Step 2: Convert to fraction form
    8,772.09/12,105.51 = 4,793.25/x
  3. Step 3: Cross multiply
    8,772.09x = 12,105.51 × 4,793.25
  4. Step 4: Simplify right side
    8,772.09x = 58,024,735.81
  5. Step 5: Solve for x
    x = 58,024,735.81/8,772.09
  6. Step 6: Final answer
    x = 6,614.70

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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.