Home / 7,972.50-11,958.49-4,281.94

Finding the Fourth Proportional to 7,972.50, 11,958.49 and 4,281.94

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Solution

The fourth proportional to 7,972.50, 11,958.49 and 4,281.94 is: 6,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.50 : 11,958.49 = 4,281.94 : x
  2. Step 2: Convert to fraction form
    7,972.50/11,958.49 = 4,281.94/x
  3. Step 3: Cross multiply
    7,972.50x = 11,958.49 × 4,281.94
  4. Step 4: Simplify right side
    7,972.50x = 51,205,496.07
  5. Step 5: Solve for x
    x = 51,205,496.07/7,972.50
  6. Step 6: Final answer
    x = 6,422.77

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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.