Home / 28,446.26-42,661.49-8,713.85

Finding the Fourth Proportional to 28,446.26, 42,661.49 and 8,713.85

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Solution

The fourth proportional to 28,446.26, 42,661.49 and 8,713.85 is: 13,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.26 : 42,661.49 = 8,713.85 : x
  2. Step 2: Convert to fraction form
    28,446.26/42,661.49 = 8,713.85/x
  3. Step 3: Cross multiply
    28,446.26x = 42,661.49 × 8,713.85
  4. Step 4: Simplify right side
    28,446.26x = 371,745,567.76
  5. Step 5: Solve for x
    x = 371,745,567.76/28,446.26
  6. Step 6: Final answer
    x = 13,068.35

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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.