Home / 8,176.36-12,265.68-3,246.49

Finding the Fourth Proportional to 8,176.36, 12,265.68 and 3,246.49

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Solution

The fourth proportional to 8,176.36, 12,265.68 and 3,246.49 is: 4,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.36 : 12,265.68 = 3,246.49 : x
  2. Step 2: Convert to fraction form
    8,176.36/12,265.68 = 3,246.49/x
  3. Step 3: Cross multiply
    8,176.36x = 12,265.68 × 3,246.49
  4. Step 4: Simplify right side
    8,176.36x = 39,820,407.46
  5. Step 5: Solve for x
    x = 39,820,407.46/8,176.36
  6. Step 6: Final answer
    x = 4,870.19

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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.