Home / 8,015.85-11,061.81-4,479.03

Finding the Fourth Proportional to 8,015.85, 11,061.81 and 4,479.03

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Solution

The fourth proportional to 8,015.85, 11,061.81 and 4,479.03 is: 6,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.85 : 11,061.81 = 4,479.03 : x
  2. Step 2: Convert to fraction form
    8,015.85/11,061.81 = 4,479.03/x
  3. Step 3: Cross multiply
    8,015.85x = 11,061.81 × 4,479.03
  4. Step 4: Simplify right side
    8,015.85x = 49,546,178.84
  5. Step 5: Solve for x
    x = 49,546,178.84/8,015.85
  6. Step 6: Final answer
    x = 6,181.03

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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.