Home / 12,550.84-17,327.46-9,381.64

Finding the Fourth Proportional to 12,550.84, 17,327.46 and 9,381.64

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Solution

The fourth proportional to 12,550.84, 17,327.46 and 9,381.64 is: 12,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.84 : 17,327.46 = 9,381.64 : x
  2. Step 2: Convert to fraction form
    12,550.84/17,327.46 = 9,381.64/x
  3. Step 3: Cross multiply
    12,550.84x = 17,327.46 × 9,381.64
  4. Step 4: Simplify right side
    12,550.84x = 162,559,991.83
  5. Step 5: Solve for x
    x = 162,559,991.83/12,550.84
  6. Step 6: Final answer
    x = 12,952.12

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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.