Home / 11,370.58-15,685.95-7,392.94

Finding the Fourth Proportional to 11,370.58, 15,685.95 and 7,392.94

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Solution

The fourth proportional to 11,370.58, 15,685.95 and 7,392.94 is: 10,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.58 : 15,685.95 = 7,392.94 : x
  2. Step 2: Convert to fraction form
    11,370.58/15,685.95 = 7,392.94/x
  3. Step 3: Cross multiply
    11,370.58x = 15,685.95 × 7,392.94
  4. Step 4: Simplify right side
    11,370.58x = 115,965,287.19
  5. Step 5: Solve for x
    x = 115,965,287.19/11,370.58
  6. Step 6: Final answer
    x = 10,198.71

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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.