Home / 7,176.90-10,773.45-5,540.70

Finding the Fourth Proportional to 7,176.90, 10,773.45 and 5,540.70

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Solution

The fourth proportional to 7,176.90, 10,773.45 and 5,540.70 is: 8,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.90 : 10,773.45 = 5,540.70 : x
  2. Step 2: Convert to fraction form
    7,176.90/10,773.45 = 5,540.70/x
  3. Step 3: Cross multiply
    7,176.90x = 10,773.45 × 5,540.70
  4. Step 4: Simplify right side
    7,176.90x = 59,692,454.42
  5. Step 5: Solve for x
    x = 59,692,454.42/7,176.90
  6. Step 6: Final answer
    x = 8,317.30

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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.