Home / 7,331.30-11,000.60-3,436.01

Finding the Fourth Proportional to 7,331.30, 11,000.60 and 3,436.01

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Solution

The fourth proportional to 7,331.30, 11,000.60 and 3,436.01 is: 5,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.30 : 11,000.60 = 3,436.01 : x
  2. Step 2: Convert to fraction form
    7,331.30/11,000.60 = 3,436.01/x
  3. Step 3: Cross multiply
    7,331.30x = 11,000.60 × 3,436.01
  4. Step 4: Simplify right side
    7,331.30x = 37,798,171.61
  5. Step 5: Solve for x
    x = 37,798,171.61/7,331.30
  6. Step 6: Final answer
    x = 5,155.73

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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.