Home / 8,331.12-11,499.84-4,795.74

Finding the Fourth Proportional to 8,331.12, 11,499.84 and 4,795.74

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Solution

The fourth proportional to 8,331.12, 11,499.84 and 4,795.74 is: 6,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.12 : 11,499.84 = 4,795.74 : x
  2. Step 2: Convert to fraction form
    8,331.12/11,499.84 = 4,795.74/x
  3. Step 3: Cross multiply
    8,331.12x = 11,499.84 × 4,795.74
  4. Step 4: Simplify right side
    8,331.12x = 55,150,242.68
  5. Step 5: Solve for x
    x = 55,150,242.68/8,331.12
  6. Step 6: Final answer
    x = 6,619.79

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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.