Home / 7,983.19-11,016.83-4,626.65

Finding the Fourth Proportional to 7,983.19, 11,016.83 and 4,626.65

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Solution

The fourth proportional to 7,983.19, 11,016.83 and 4,626.65 is: 6,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.19 : 11,016.83 = 4,626.65 : x
  2. Step 2: Convert to fraction form
    7,983.19/11,016.83 = 4,626.65/x
  3. Step 3: Cross multiply
    7,983.19x = 11,016.83 × 4,626.65
  4. Step 4: Simplify right side
    7,983.19x = 50,971,029.60
  5. Step 5: Solve for x
    x = 50,971,029.60/7,983.19
  6. Step 6: Final answer
    x = 6,384.79

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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.