Home / 11,869.83-16,380.77-6,564.33

Finding the Fourth Proportional to 11,869.83, 16,380.77 and 6,564.33

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Solution

The fourth proportional to 11,869.83, 16,380.77 and 6,564.33 is: 9,059.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.83 : 16,380.77 = 6,564.33 : x
  2. Step 2: Convert to fraction form
    11,869.83/16,380.77 = 6,564.33/x
  3. Step 3: Cross multiply
    11,869.83x = 16,380.77 × 6,564.33
  4. Step 4: Simplify right side
    11,869.83x = 107,528,747.11
  5. Step 5: Solve for x
    x = 107,528,747.11/11,869.83
  6. Step 6: Final answer
    x = 9,059.00

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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.