Home / 7,983.16-11,022.70-4,843.60

Finding the Fourth Proportional to 7,983.16, 11,022.70 and 4,843.60

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Solution

The fourth proportional to 7,983.16, 11,022.70 and 4,843.60 is: 6,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.16 : 11,022.70 = 4,843.60 : x
  2. Step 2: Convert to fraction form
    7,983.16/11,022.70 = 4,843.60/x
  3. Step 3: Cross multiply
    7,983.16x = 11,022.70 × 4,843.60
  4. Step 4: Simplify right side
    7,983.16x = 53,389,549.72
  5. Step 5: Solve for x
    x = 53,389,549.72/7,983.16
  6. Step 6: Final answer
    x = 6,687.77

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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.