Home / 11,884.00-16,400.69-6,578.81

Finding the Fourth Proportional to 11,884.00, 16,400.69 and 6,578.81

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Solution

The fourth proportional to 11,884.00, 16,400.69 and 6,578.81 is: 9,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.00 : 16,400.69 = 6,578.81 : x
  2. Step 2: Convert to fraction form
    11,884.00/16,400.69 = 6,578.81/x
  3. Step 3: Cross multiply
    11,884.00x = 16,400.69 × 6,578.81
  4. Step 4: Simplify right side
    11,884.00x = 107,896,990.48
  5. Step 5: Solve for x
    x = 107,896,990.48/11,884.00
  6. Step 6: Final answer
    x = 9,079.19

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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.