Home / 8,364.96-12,545.52-3,170.16

Finding the Fourth Proportional to 8,364.96, 12,545.52 and 3,170.16

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Solution

The fourth proportional to 8,364.96, 12,545.52 and 3,170.16 is: 4,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.96 : 12,545.52 = 3,170.16 : x
  2. Step 2: Convert to fraction form
    8,364.96/12,545.52 = 3,170.16/x
  3. Step 3: Cross multiply
    8,364.96x = 12,545.52 × 3,170.16
  4. Step 4: Simplify right side
    8,364.96x = 39,771,305.68
  5. Step 5: Solve for x
    x = 39,771,305.68/8,364.96
  6. Step 6: Final answer
    x = 4,754.51

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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.