Home / 12,551.36-17,320.20-6,962

Finding the Fourth Proportional to 12,551.36, 17,320.20 and 6,962

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Solution

The fourth proportional to 12,551.36, 17,320.20 and 6,962 is: 9,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.36 : 17,320.20 = 6,962 : x
  2. Step 2: Convert to fraction form
    12,551.36/17,320.20 = 6,962/x
  3. Step 3: Cross multiply
    12,551.36x = 17,320.20 × 6,962
  4. Step 4: Simplify right side
    12,551.36x = 120,583,232.40
  5. Step 5: Solve for x
    x = 120,583,232.40/12,551.36
  6. Step 6: Final answer
    x = 9,607.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.