Home / 8,243.66-11,378.33-4,708.95

Finding the Fourth Proportional to 8,243.66, 11,378.33 and 4,708.95

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Solution

The fourth proportional to 8,243.66, 11,378.33 and 4,708.95 is: 6,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.66 : 11,378.33 = 4,708.95 : x
  2. Step 2: Convert to fraction form
    8,243.66/11,378.33 = 4,708.95/x
  3. Step 3: Cross multiply
    8,243.66x = 11,378.33 × 4,708.95
  4. Step 4: Simplify right side
    8,243.66x = 53,579,963.51
  5. Step 5: Solve for x
    x = 53,579,963.51/8,243.66
  6. Step 6: Final answer
    x = 6,499.54

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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.