Home / 6,775.30-10,147.10-5,860.90

Finding the Fourth Proportional to 6,775.30, 10,147.10 and 5,860.90

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Solution

The fourth proportional to 6,775.30, 10,147.10 and 5,860.90 is: 8,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.30 : 10,147.10 = 5,860.90 : x
  2. Step 2: Convert to fraction form
    6,775.30/10,147.10 = 5,860.90/x
  3. Step 3: Cross multiply
    6,775.30x = 10,147.10 × 5,860.90
  4. Step 4: Simplify right side
    6,775.30x = 59,471,138.39
  5. Step 5: Solve for x
    x = 59,471,138.39/6,775.30
  6. Step 6: Final answer
    x = 8,777.64

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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.