Home / 11,884.08-16,400.16-6,578.99

Finding the Fourth Proportional to 11,884.08, 16,400.16 and 6,578.99

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Solution

The fourth proportional to 11,884.08, 16,400.16 and 6,578.99 is: 9,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.08 : 16,400.16 = 6,578.99 : x
  2. Step 2: Convert to fraction form
    11,884.08/16,400.16 = 6,578.99/x
  3. Step 3: Cross multiply
    11,884.08x = 16,400.16 × 6,578.99
  4. Step 4: Simplify right side
    11,884.08x = 107,896,406.64
  5. Step 5: Solve for x
    x = 107,896,406.64/11,884.08
  6. Step 6: Final answer
    x = 9,079.07

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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.