Home / 11,785.19-17,673.21-4,387.95

Finding the Fourth Proportional to 11,785.19, 17,673.21 and 4,387.95

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Solution

The fourth proportional to 11,785.19, 17,673.21 and 4,387.95 is: 6,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.19 : 17,673.21 = 4,387.95 : x
  2. Step 2: Convert to fraction form
    11,785.19/17,673.21 = 4,387.95/x
  3. Step 3: Cross multiply
    11,785.19x = 17,673.21 × 4,387.95
  4. Step 4: Simplify right side
    11,785.19x = 77,549,161.82
  5. Step 5: Solve for x
    x = 77,549,161.82/11,785.19
  6. Step 6: Final answer
    x = 6,580.22

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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.