Home / 9,515.78-14,267.52-3,972.92

Finding the Fourth Proportional to 9,515.78, 14,267.52 and 3,972.92

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Solution

The fourth proportional to 9,515.78, 14,267.52 and 3,972.92 is: 5,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.78 : 14,267.52 = 3,972.92 : x
  2. Step 2: Convert to fraction form
    9,515.78/14,267.52 = 3,972.92/x
  3. Step 3: Cross multiply
    9,515.78x = 14,267.52 × 3,972.92
  4. Step 4: Simplify right side
    9,515.78x = 56,683,715.56
  5. Step 5: Solve for x
    x = 56,683,715.56/9,515.78
  6. Step 6: Final answer
    x = 5,956.81

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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.