Home / 9,983.13-13,782.12-6,005.13

Finding the Fourth Proportional to 9,983.13, 13,782.12 and 6,005.13

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Solution

The fourth proportional to 9,983.13, 13,782.12 and 6,005.13 is: 8,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.13 : 13,782.12 = 6,005.13 : x
  2. Step 2: Convert to fraction form
    9,983.13/13,782.12 = 6,005.13/x
  3. Step 3: Cross multiply
    9,983.13x = 13,782.12 × 6,005.13
  4. Step 4: Simplify right side
    9,983.13x = 82,763,392.25
  5. Step 5: Solve for x
    x = 82,763,392.25/9,983.13
  6. Step 6: Final answer
    x = 8,290.33

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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.