Home / 11,185.84-15,436.49-6,150.58

Finding the Fourth Proportional to 11,185.84, 15,436.49 and 6,150.58

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Solution

The fourth proportional to 11,185.84, 15,436.49 and 6,150.58 is: 8,487.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.84 : 15,436.49 = 6,150.58 : x
  2. Step 2: Convert to fraction form
    11,185.84/15,436.49 = 6,150.58/x
  3. Step 3: Cross multiply
    11,185.84x = 15,436.49 × 6,150.58
  4. Step 4: Simplify right side
    11,185.84x = 94,943,366.66
  5. Step 5: Solve for x
    x = 94,943,366.66/11,185.84
  6. Step 6: Final answer
    x = 8,487.82

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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.