Home / 9,178.92-13,738.59-4,956.30

Finding the Fourth Proportional to 9,178.92, 13,738.59 and 4,956.30

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Solution

The fourth proportional to 9,178.92, 13,738.59 and 4,956.30 is: 7,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.92 : 13,738.59 = 4,956.30 : x
  2. Step 2: Convert to fraction form
    9,178.92/13,738.59 = 4,956.30/x
  3. Step 3: Cross multiply
    9,178.92x = 13,738.59 × 4,956.30
  4. Step 4: Simplify right side
    9,178.92x = 68,092,599.91
  5. Step 5: Solve for x
    x = 68,092,599.91/9,178.92
  6. Step 6: Final answer
    x = 7,418.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.