Home / 11,869.29-16,379.49-6,564.06

Finding the Fourth Proportional to 11,869.29, 16,379.49 and 6,564.06

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Solution

The fourth proportional to 11,869.29, 16,379.49 and 6,564.06 is: 9,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.29 : 16,379.49 = 6,564.06 : x
  2. Step 2: Convert to fraction form
    11,869.29/16,379.49 = 6,564.06/x
  3. Step 3: Cross multiply
    11,869.29x = 16,379.49 × 6,564.06
  4. Step 4: Simplify right side
    11,869.29x = 107,515,955.13
  5. Step 5: Solve for x
    x = 107,515,955.13/11,869.29
  6. Step 6: Final answer
    x = 9,058.33

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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.