Home / 11,785.86-17,686.88-4,396.22

Finding the Fourth Proportional to 11,785.86, 17,686.88 and 4,396.22

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Solution

The fourth proportional to 11,785.86, 17,686.88 and 4,396.22 is: 6,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.86 : 17,686.88 = 4,396.22 : x
  2. Step 2: Convert to fraction form
    11,785.86/17,686.88 = 4,396.22/x
  3. Step 3: Cross multiply
    11,785.86x = 17,686.88 × 4,396.22
  4. Step 4: Simplify right side
    11,785.86x = 77,755,415.59
  5. Step 5: Solve for x
    x = 77,755,415.59/11,785.86
  6. Step 6: Final answer
    x = 6,597.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.