Home / 12,591.96-17,376.84-6,927

Finding the Fourth Proportional to 12,591.96, 17,376.84 and 6,927

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Solution

The fourth proportional to 12,591.96, 17,376.84 and 6,927 is: 9,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.96 : 17,376.84 = 6,927 : x
  2. Step 2: Convert to fraction form
    12,591.96/17,376.84 = 6,927/x
  3. Step 3: Cross multiply
    12,591.96x = 17,376.84 × 6,927
  4. Step 4: Simplify right side
    12,591.96x = 120,369,370.68
  5. Step 5: Solve for x
    x = 120,369,370.68/12,591.96
  6. Step 6: Final answer
    x = 9,559.22

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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.