Home / 8,466.46-12,704.49-4,570.78

Finding the Fourth Proportional to 8,466.46, 12,704.49 and 4,570.78

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Solution

The fourth proportional to 8,466.46, 12,704.49 and 4,570.78 is: 6,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.46 : 12,704.49 = 4,570.78 : x
  2. Step 2: Convert to fraction form
    8,466.46/12,704.49 = 4,570.78/x
  3. Step 3: Cross multiply
    8,466.46x = 12,704.49 × 4,570.78
  4. Step 4: Simplify right side
    8,466.46x = 58,069,428.80
  5. Step 5: Solve for x
    x = 58,069,428.80/8,466.46
  6. Step 6: Final answer
    x = 6,858.76

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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.