Home / 9,555.18-13,183.20-5,575.38

Finding the Fourth Proportional to 9,555.18, 13,183.20 and 5,575.38

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Solution

The fourth proportional to 9,555.18, 13,183.20 and 5,575.38 is: 7,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.18 : 13,183.20 = 5,575.38 : x
  2. Step 2: Convert to fraction form
    9,555.18/13,183.20 = 5,575.38/x
  3. Step 3: Cross multiply
    9,555.18x = 13,183.20 × 5,575.38
  4. Step 4: Simplify right side
    9,555.18x = 73,501,349.62
  5. Step 5: Solve for x
    x = 73,501,349.62/9,555.18
  6. Step 6: Final answer
    x = 7,692.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.