Home / 8,943.72-13,396.14-4,317

Finding the Fourth Proportional to 8,943.72, 13,396.14 and 4,317

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Solution

The fourth proportional to 8,943.72, 13,396.14 and 4,317 is: 6,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.72 : 13,396.14 = 4,317 : x
  2. Step 2: Convert to fraction form
    8,943.72/13,396.14 = 4,317/x
  3. Step 3: Cross multiply
    8,943.72x = 13,396.14 × 4,317
  4. Step 4: Simplify right side
    8,943.72x = 57,831,136.38
  5. Step 5: Solve for x
    x = 57,831,136.38/8,943.72
  6. Step 6: Final answer
    x = 6,466.12

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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.