Home / 11,876.02-16,389.39-6,570.75

Finding the Fourth Proportional to 11,876.02, 16,389.39 and 6,570.75

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Solution

The fourth proportional to 11,876.02, 16,389.39 and 6,570.75 is: 9,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.02 : 16,389.39 = 6,570.75 : x
  2. Step 2: Convert to fraction form
    11,876.02/16,389.39 = 6,570.75/x
  3. Step 3: Cross multiply
    11,876.02x = 16,389.39 × 6,570.75
  4. Step 4: Simplify right side
    11,876.02x = 107,690,584.34
  5. Step 5: Solve for x
    x = 107,690,584.34/11,876.02
  6. Step 6: Final answer
    x = 9,067.90

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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.