Home / 12,252.83-16,909.11-6,876.45

Finding the Fourth Proportional to 12,252.83, 16,909.11 and 6,876.45

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Solution

The fourth proportional to 12,252.83, 16,909.11 and 6,876.45 is: 9,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.83 : 16,909.11 = 6,876.45 : x
  2. Step 2: Convert to fraction form
    12,252.83/16,909.11 = 6,876.45/x
  3. Step 3: Cross multiply
    12,252.83x = 16,909.11 × 6,876.45
  4. Step 4: Simplify right side
    12,252.83x = 116,274,615.08
  5. Step 5: Solve for x
    x = 116,274,615.08/12,252.83
  6. Step 6: Final answer
    x = 9,489.62

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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.