Home / 10,805.39-16,178.85-5,600.33

Finding the Fourth Proportional to 10,805.39, 16,178.85 and 5,600.33

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Solution

The fourth proportional to 10,805.39, 16,178.85 and 5,600.33 is: 8,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.39 : 16,178.85 = 5,600.33 : x
  2. Step 2: Convert to fraction form
    10,805.39/16,178.85 = 5,600.33/x
  3. Step 3: Cross multiply
    10,805.39x = 16,178.85 × 5,600.33
  4. Step 4: Simplify right side
    10,805.39x = 90,606,818.13
  5. Step 5: Solve for x
    x = 90,606,818.13/10,805.39
  6. Step 6: Final answer
    x = 8,385.34

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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.