Home / 8,558.66-11,809.78-4,781.36

Finding the Fourth Proportional to 8,558.66, 11,809.78 and 4,781.36

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Solution

The fourth proportional to 8,558.66, 11,809.78 and 4,781.36 is: 6,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.66 : 11,809.78 = 4,781.36 : x
  2. Step 2: Convert to fraction form
    8,558.66/11,809.78 = 4,781.36/x
  3. Step 3: Cross multiply
    8,558.66x = 11,809.78 × 4,781.36
  4. Step 4: Simplify right side
    8,558.66x = 56,466,809.70
  5. Step 5: Solve for x
    x = 56,466,809.70/8,558.66
  6. Step 6: Final answer
    x = 6,597.62

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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.