Home / 8,176.16-12,263.61-2,910.96

Finding the Fourth Proportional to 8,176.16, 12,263.61 and 2,910.96

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Solution

The fourth proportional to 8,176.16, 12,263.61 and 2,910.96 is: 4,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.16 : 12,263.61 = 2,910.96 : x
  2. Step 2: Convert to fraction form
    8,176.16/12,263.61 = 2,910.96/x
  3. Step 3: Cross multiply
    8,176.16x = 12,263.61 × 2,910.96
  4. Step 4: Simplify right side
    8,176.16x = 35,698,878.17
  5. Step 5: Solve for x
    x = 35,698,878.17/8,176.16
  6. Step 6: Final answer
    x = 4,366.22

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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.