Home / 11,074.50-15,282.81-6,359.09

Finding the Fourth Proportional to 11,074.50, 15,282.81 and 6,359.09

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Solution

The fourth proportional to 11,074.50, 15,282.81 and 6,359.09 is: 8,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.50 : 15,282.81 = 6,359.09 : x
  2. Step 2: Convert to fraction form
    11,074.50/15,282.81 = 6,359.09/x
  3. Step 3: Cross multiply
    11,074.50x = 15,282.81 × 6,359.09
  4. Step 4: Simplify right side
    11,074.50x = 97,184,687.83
  5. Step 5: Solve for x
    x = 97,184,687.83/11,074.50
  6. Step 6: Final answer
    x = 8,775.54

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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.