Home / 8,160.48-12,241.53-2,612.43

Finding the Fourth Proportional to 8,160.48, 12,241.53 and 2,612.43

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Solution

The fourth proportional to 8,160.48, 12,241.53 and 2,612.43 is: 3,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.48 : 12,241.53 = 2,612.43 : x
  2. Step 2: Convert to fraction form
    8,160.48/12,241.53 = 2,612.43/x
  3. Step 3: Cross multiply
    8,160.48x = 12,241.53 × 2,612.43
  4. Step 4: Simplify right side
    8,160.48x = 31,980,140.22
  5. Step 5: Solve for x
    x = 31,980,140.22/8,160.48
  6. Step 6: Final answer
    x = 3,918.90

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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.