Home / 7,436.52-11,139.59-4,151.36

Finding the Fourth Proportional to 7,436.52, 11,139.59 and 4,151.36

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Solution

The fourth proportional to 7,436.52, 11,139.59 and 4,151.36 is: 6,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.52 : 11,139.59 = 4,151.36 : x
  2. Step 2: Convert to fraction form
    7,436.52/11,139.59 = 4,151.36/x
  3. Step 3: Cross multiply
    7,436.52x = 11,139.59 × 4,151.36
  4. Step 4: Simplify right side
    7,436.52x = 46,244,486.57
  5. Step 5: Solve for x
    x = 46,244,486.57/7,436.52
  6. Step 6: Final answer
    x = 6,218.57

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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.