Home / 8,952.96-12,355.62-5,176.80

Finding the Fourth Proportional to 8,952.96, 12,355.62 and 5,176.80

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Solution

The fourth proportional to 8,952.96, 12,355.62 and 5,176.80 is: 7,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.96 : 12,355.62 = 5,176.80 : x
  2. Step 2: Convert to fraction form
    8,952.96/12,355.62 = 5,176.80/x
  3. Step 3: Cross multiply
    8,952.96x = 12,355.62 × 5,176.80
  4. Step 4: Simplify right side
    8,952.96x = 63,962,573.62
  5. Step 5: Solve for x
    x = 63,962,573.62/8,952.96
  6. Step 6: Final answer
    x = 7,144.29

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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.