Home / 11,854.43-17,784.29-4,458.95

Finding the Fourth Proportional to 11,854.43, 17,784.29 and 4,458.95

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Solution

The fourth proportional to 11,854.43, 17,784.29 and 4,458.95 is: 6,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.43 : 17,784.29 = 4,458.95 : x
  2. Step 2: Convert to fraction form
    11,854.43/17,784.29 = 4,458.95/x
  3. Step 3: Cross multiply
    11,854.43x = 17,784.29 × 4,458.95
  4. Step 4: Simplify right side
    11,854.43x = 79,299,232.09
  5. Step 5: Solve for x
    x = 79,299,232.09/11,854.43
  6. Step 6: Final answer
    x = 6,689.42

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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.