Home / 8,124.96-12,187.44-2,281.77

Finding the Fourth Proportional to 8,124.96, 12,187.44 and 2,281.77

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Solution

The fourth proportional to 8,124.96, 12,187.44 and 2,281.77 is: 3,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.96 : 12,187.44 = 2,281.77 : x
  2. Step 2: Convert to fraction form
    8,124.96/12,187.44 = 2,281.77/x
  3. Step 3: Cross multiply
    8,124.96x = 12,187.44 × 2,281.77
  4. Step 4: Simplify right side
    8,124.96x = 27,808,934.97
  5. Step 5: Solve for x
    x = 27,808,934.97/8,124.96
  6. Step 6: Final answer
    x = 3,422.66

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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.