Home / 10,769.48-16,158.82-4,200.30

Finding the Fourth Proportional to 10,769.48, 16,158.82 and 4,200.30

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Solution

The fourth proportional to 10,769.48, 16,158.82 and 4,200.30 is: 6,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.48 : 16,158.82 = 4,200.30 : x
  2. Step 2: Convert to fraction form
    10,769.48/16,158.82 = 4,200.30/x
  3. Step 3: Cross multiply
    10,769.48x = 16,158.82 × 4,200.30
  4. Step 4: Simplify right side
    10,769.48x = 67,871,891.65
  5. Step 5: Solve for x
    x = 67,871,891.65/10,769.48
  6. Step 6: Final answer
    x = 6,302.24

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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.