Home / 8,240.09-11,370.71-4,653.92

Finding the Fourth Proportional to 8,240.09, 11,370.71 and 4,653.92

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Solution

The fourth proportional to 8,240.09, 11,370.71 and 4,653.92 is: 6,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.09 : 11,370.71 = 4,653.92 : x
  2. Step 2: Convert to fraction form
    8,240.09/11,370.71 = 4,653.92/x
  3. Step 3: Cross multiply
    8,240.09x = 11,370.71 × 4,653.92
  4. Step 4: Simplify right side
    8,240.09x = 52,918,414.74
  5. Step 5: Solve for x
    x = 52,918,414.74/8,240.09
  6. Step 6: Final answer
    x = 6,422.07

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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.