Home / 8,863.49-12,226.21-5,276.05

Finding the Fourth Proportional to 8,863.49, 12,226.21 and 5,276.05

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Solution

The fourth proportional to 8,863.49, 12,226.21 and 5,276.05 is: 7,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.49 : 12,226.21 = 5,276.05 : x
  2. Step 2: Convert to fraction form
    8,863.49/12,226.21 = 5,276.05/x
  3. Step 3: Cross multiply
    8,863.49x = 12,226.21 × 5,276.05
  4. Step 4: Simplify right side
    8,863.49x = 64,506,120.29
  5. Step 5: Solve for x
    x = 64,506,120.29/8,863.49
  6. Step 6: Final answer
    x = 7,277.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.