Home / 8,160.51-12,246.92-3,781.04

Finding the Fourth Proportional to 8,160.51, 12,246.92 and 3,781.04

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Solution

The fourth proportional to 8,160.51, 12,246.92 and 3,781.04 is: 5,674.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.51 : 12,246.92 = 3,781.04 : x
  2. Step 2: Convert to fraction form
    8,160.51/12,246.92 = 3,781.04/x
  3. Step 3: Cross multiply
    8,160.51x = 12,246.92 × 3,781.04
  4. Step 4: Simplify right side
    8,160.51x = 46,306,094.40
  5. Step 5: Solve for x
    x = 46,306,094.40/8,160.51
  6. Step 6: Final answer
    x = 5,674.41

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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.