Home / 10,191.32-15,285.34-2,794.06

Finding the Fourth Proportional to 10,191.32, 15,285.34 and 2,794.06

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Solution

The fourth proportional to 10,191.32, 15,285.34 and 2,794.06 is: 4,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.32 : 15,285.34 = 2,794.06 : x
  2. Step 2: Convert to fraction form
    10,191.32/15,285.34 = 2,794.06/x
  3. Step 3: Cross multiply
    10,191.32x = 15,285.34 × 2,794.06
  4. Step 4: Simplify right side
    10,191.32x = 42,708,179.68
  5. Step 5: Solve for x
    x = 42,708,179.68/10,191.32
  6. Step 6: Final answer
    x = 4,190.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.