Home / 11,879.16-16,393.69-6,573.86

Finding the Fourth Proportional to 11,879.16, 16,393.69 and 6,573.86

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Solution

The fourth proportional to 11,879.16, 16,393.69 and 6,573.86 is: 9,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.16 : 16,393.69 = 6,573.86 : x
  2. Step 2: Convert to fraction form
    11,879.16/16,393.69 = 6,573.86/x
  3. Step 3: Cross multiply
    11,879.16x = 16,393.69 × 6,573.86
  4. Step 4: Simplify right side
    11,879.16x = 107,769,810.67
  5. Step 5: Solve for x
    x = 107,769,810.67/11,879.16
  6. Step 6: Final answer
    x = 9,072.18

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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.