Home / 11,863.13-16,369.69-6,557.22

Finding the Fourth Proportional to 11,863.13, 16,369.69 and 6,557.22

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Solution

The fourth proportional to 11,863.13, 16,369.69 and 6,557.22 is: 9,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.13 : 16,369.69 = 6,557.22 : x
  2. Step 2: Convert to fraction form
    11,863.13/16,369.69 = 6,557.22/x
  3. Step 3: Cross multiply
    11,863.13x = 16,369.69 × 6,557.22
  4. Step 4: Simplify right side
    11,863.13x = 107,339,658.66
  5. Step 5: Solve for x
    x = 107,339,658.66/11,863.13
  6. Step 6: Final answer
    x = 9,048.17

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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.