Home / 8,466.08-12,685.20-2,916.48

Finding the Fourth Proportional to 8,466.08, 12,685.20 and 2,916.48

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Solution

The fourth proportional to 8,466.08, 12,685.20 and 2,916.48 is: 4,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.08 : 12,685.20 = 2,916.48 : x
  2. Step 2: Convert to fraction form
    8,466.08/12,685.20 = 2,916.48/x
  3. Step 3: Cross multiply
    8,466.08x = 12,685.20 × 2,916.48
  4. Step 4: Simplify right side
    8,466.08x = 36,996,132.10
  5. Step 5: Solve for x
    x = 36,996,132.10/8,466.08
  6. Step 6: Final answer
    x = 4,369.92

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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.