Home / 9,327.84-12,872.03-5,346.18

Finding the Fourth Proportional to 9,327.84, 12,872.03 and 5,346.18

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Solution

The fourth proportional to 9,327.84, 12,872.03 and 5,346.18 is: 7,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.84 : 12,872.03 = 5,346.18 : x
  2. Step 2: Convert to fraction form
    9,327.84/12,872.03 = 5,346.18/x
  3. Step 3: Cross multiply
    9,327.84x = 12,872.03 × 5,346.18
  4. Step 4: Simplify right side
    9,327.84x = 68,816,162.61
  5. Step 5: Solve for x
    x = 68,816,162.61/9,327.84
  6. Step 6: Final answer
    x = 7,377.50

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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.