Home / 9,318.16-13,956.18-4,924.72

Finding the Fourth Proportional to 9,318.16, 13,956.18 and 4,924.72

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Solution

The fourth proportional to 9,318.16, 13,956.18 and 4,924.72 is: 7,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.16 : 13,956.18 = 4,924.72 : x
  2. Step 2: Convert to fraction form
    9,318.16/13,956.18 = 4,924.72/x
  3. Step 3: Cross multiply
    9,318.16x = 13,956.18 × 4,924.72
  4. Step 4: Simplify right side
    9,318.16x = 68,730,278.77
  5. Step 5: Solve for x
    x = 68,730,278.77/9,318.16
  6. Step 6: Final answer
    x = 7,375.95

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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.