Home / 8,466.53-12,701.84-2,543.40

Finding the Fourth Proportional to 8,466.53, 12,701.84 and 2,543.40

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Solution

The fourth proportional to 8,466.53, 12,701.84 and 2,543.40 is: 3,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.53 : 12,701.84 = 2,543.40 : x
  2. Step 2: Convert to fraction form
    8,466.53/12,701.84 = 2,543.40/x
  3. Step 3: Cross multiply
    8,466.53x = 12,701.84 × 2,543.40
  4. Step 4: Simplify right side
    8,466.53x = 32,305,847.14
  5. Step 5: Solve for x
    x = 32,305,847.14/8,466.53
  6. Step 6: Final answer
    x = 3,815.72

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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.