Home / 12,252.80-16,909.00-6,876.42

Finding the Fourth Proportional to 12,252.80, 16,909.00 and 6,876.42

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Solution

The fourth proportional to 12,252.80, 16,909.00 and 6,876.42 is: 9,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.80 : 16,909.00 = 6,876.42 : x
  2. Step 2: Convert to fraction form
    12,252.80/16,909.00 = 6,876.42/x
  3. Step 3: Cross multiply
    12,252.80x = 16,909.00 × 6,876.42
  4. Step 4: Simplify right side
    12,252.80x = 116,273,445.24
  5. Step 5: Solve for x
    x = 116,273,445.24/12,252.80
  6. Step 6: Final answer
    x = 9,489.54

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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.