Home / 6,652.20-9,986.81-4,197.30

Finding the Fourth Proportional to 6,652.20, 9,986.81 and 4,197.30

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Solution

The fourth proportional to 6,652.20, 9,986.81 and 4,197.30 is: 6,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.20 : 9,986.81 = 4,197.30 : x
  2. Step 2: Convert to fraction form
    6,652.20/9,986.81 = 4,197.30/x
  3. Step 3: Cross multiply
    6,652.20x = 9,986.81 × 4,197.30
  4. Step 4: Simplify right side
    6,652.20x = 41,917,637.61
  5. Step 5: Solve for x
    x = 41,917,637.61/6,652.20
  6. Step 6: Final answer
    x = 6,301.32

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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.