Home / 9,947.65-13,727.09-5,698.73

Finding the Fourth Proportional to 9,947.65, 13,727.09 and 5,698.73

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Solution

The fourth proportional to 9,947.65, 13,727.09 and 5,698.73 is: 7,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.65 : 13,727.09 = 5,698.73 : x
  2. Step 2: Convert to fraction form
    9,947.65/13,727.09 = 5,698.73/x
  3. Step 3: Cross multiply
    9,947.65x = 13,727.09 × 5,698.73
  4. Step 4: Simplify right side
    9,947.65x = 78,226,916.78
  5. Step 5: Solve for x
    x = 78,226,916.78/9,947.65
  6. Step 6: Final answer
    x = 7,863.86

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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.