Home / 8,466.24-12,700.22-2,918.85

Finding the Fourth Proportional to 8,466.24, 12,700.22 and 2,918.85

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Solution

The fourth proportional to 8,466.24, 12,700.22 and 2,918.85 is: 4,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.24 : 12,700.22 = 2,918.85 : x
  2. Step 2: Convert to fraction form
    8,466.24/12,700.22 = 2,918.85/x
  3. Step 3: Cross multiply
    8,466.24x = 12,700.22 × 2,918.85
  4. Step 4: Simplify right side
    8,466.24x = 37,070,022.55
  5. Step 5: Solve for x
    x = 37,070,022.55/8,466.24
  6. Step 6: Final answer
    x = 4,378.57

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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.