Home / 10,673.20-16,009.80-3,747.70

Finding the Fourth Proportional to 10,673.20, 16,009.80 and 3,747.70

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Solution

The fourth proportional to 10,673.20, 16,009.80 and 3,747.70 is: 5,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,673.20 : 16,009.80 = 3,747.70 : x
  2. Step 2: Convert to fraction form
    10,673.20/16,009.80 = 3,747.70/x
  3. Step 3: Cross multiply
    10,673.20x = 16,009.80 × 3,747.70
  4. Step 4: Simplify right side
    10,673.20x = 59,999,927.46
  5. Step 5: Solve for x
    x = 59,999,927.46/10,673.20
  6. Step 6: Final answer
    x = 5,621.55

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Similar ratio
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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.