Home / 8,706.13-13,051.25-3,158.24

Finding the Fourth Proportional to 8,706.13, 13,051.25 and 3,158.24

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Solution

The fourth proportional to 8,706.13, 13,051.25 and 3,158.24 is: 4,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.13 : 13,051.25 = 3,158.24 : x
  2. Step 2: Convert to fraction form
    8,706.13/13,051.25 = 3,158.24/x
  3. Step 3: Cross multiply
    8,706.13x = 13,051.25 × 3,158.24
  4. Step 4: Simplify right side
    8,706.13x = 41,218,979.80
  5. Step 5: Solve for x
    x = 41,218,979.80/8,706.13
  6. Step 6: Final answer
    x = 4,734.48

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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.