Home / 12,232.62-16,881.35-6,643.62

Finding the Fourth Proportional to 12,232.62, 16,881.35 and 6,643.62

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Solution

The fourth proportional to 12,232.62, 16,881.35 and 6,643.62 is: 9,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.62 : 16,881.35 = 6,643.62 : x
  2. Step 2: Convert to fraction form
    12,232.62/16,881.35 = 6,643.62/x
  3. Step 3: Cross multiply
    12,232.62x = 16,881.35 × 6,643.62
  4. Step 4: Simplify right side
    12,232.62x = 112,153,241.27
  5. Step 5: Solve for x
    x = 112,153,241.27/12,232.62
  6. Step 6: Final answer
    x = 9,168.37

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1.5x scale

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.