Home / 8,255.61-11,389.96-4,716.31

Finding the Fourth Proportional to 8,255.61, 11,389.96 and 4,716.31

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Solution

The fourth proportional to 8,255.61, 11,389.96 and 4,716.31 is: 6,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.61 : 11,389.96 = 4,716.31 : x
  2. Step 2: Convert to fraction form
    8,255.61/11,389.96 = 4,716.31/x
  3. Step 3: Cross multiply
    8,255.61x = 11,389.96 × 4,716.31
  4. Step 4: Simplify right side
    8,255.61x = 53,718,582.25
  5. Step 5: Solve for x
    x = 53,718,582.25/8,255.61
  6. Step 6: Final answer
    x = 6,506.92

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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.