Home / 8,167.11-11,271.87-4,629.57

Finding the Fourth Proportional to 8,167.11, 11,271.87 and 4,629.57

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Solution

The fourth proportional to 8,167.11, 11,271.87 and 4,629.57 is: 6,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.11 : 11,271.87 = 4,629.57 : x
  2. Step 2: Convert to fraction form
    8,167.11/11,271.87 = 4,629.57/x
  3. Step 3: Cross multiply
    8,167.11x = 11,271.87 × 4,629.57
  4. Step 4: Simplify right side
    8,167.11x = 52,183,911.20
  5. Step 5: Solve for x
    x = 52,183,911.20/8,167.11
  6. Step 6: Final answer
    x = 6,389.52

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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.