Home / 10,763.57-16,152.80-4,189.79

Finding the Fourth Proportional to 10,763.57, 16,152.80 and 4,189.79

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Solution

The fourth proportional to 10,763.57, 16,152.80 and 4,189.79 is: 6,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.57 : 16,152.80 = 4,189.79 : x
  2. Step 2: Convert to fraction form
    10,763.57/16,152.80 = 4,189.79/x
  3. Step 3: Cross multiply
    10,763.57x = 16,152.80 × 4,189.79
  4. Step 4: Simplify right side
    10,763.57x = 67,676,738.20
  5. Step 5: Solve for x
    x = 67,676,738.20/10,763.57
  6. Step 6: Final answer
    x = 6,287.58

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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.