Home / 12,282.49-16,947.79-6,975.37

Finding the Fourth Proportional to 12,282.49, 16,947.79 and 6,975.37

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Solution

The fourth proportional to 12,282.49, 16,947.79 and 6,975.37 is: 9,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.49 : 16,947.79 = 6,975.37 : x
  2. Step 2: Convert to fraction form
    12,282.49/16,947.79 = 6,975.37/x
  3. Step 3: Cross multiply
    12,282.49x = 16,947.79 × 6,975.37
  4. Step 4: Simplify right side
    12,282.49x = 118,217,105.93
  5. Step 5: Solve for x
    x = 118,217,105.93/12,282.49
  6. Step 6: Final answer
    x = 9,624.85

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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.