Home / 11,249.84-16,876.80-5,630.45

Finding the Fourth Proportional to 11,249.84, 16,876.80 and 5,630.45

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Solution

The fourth proportional to 11,249.84, 16,876.80 and 5,630.45 is: 8,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.84 : 16,876.80 = 5,630.45 : x
  2. Step 2: Convert to fraction form
    11,249.84/16,876.80 = 5,630.45/x
  3. Step 3: Cross multiply
    11,249.84x = 16,876.80 × 5,630.45
  4. Step 4: Simplify right side
    11,249.84x = 95,023,894.18
  5. Step 5: Solve for x
    x = 95,023,894.18/11,249.84
  6. Step 6: Final answer
    x = 8,446.69

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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.