Home / 8,466.24-12,700.96-2,621.48

Finding the Fourth Proportional to 8,466.24, 12,700.96 and 2,621.48

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Solution

The fourth proportional to 8,466.24, 12,700.96 and 2,621.48 is: 3,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.24 : 12,700.96 = 2,621.48 : x
  2. Step 2: Convert to fraction form
    8,466.24/12,700.96 = 2,621.48/x
  3. Step 3: Cross multiply
    8,466.24x = 12,700.96 × 2,621.48
  4. Step 4: Simplify right side
    8,466.24x = 33,295,312.62
  5. Step 5: Solve for x
    x = 33,295,312.62/8,466.24
  6. Step 6: Final answer
    x = 3,932.72

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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.