Home / 11,065.68-15,267.96-6,586.56

Finding the Fourth Proportional to 11,065.68, 15,267.96 and 6,586.56

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Solution

The fourth proportional to 11,065.68, 15,267.96 and 6,586.56 is: 9,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.68 : 15,267.96 = 6,586.56 : x
  2. Step 2: Convert to fraction form
    11,065.68/15,267.96 = 6,586.56/x
  3. Step 3: Cross multiply
    11,065.68x = 15,267.96 × 6,586.56
  4. Step 4: Simplify right side
    11,065.68x = 100,563,334.62
  5. Step 5: Solve for x
    x = 100,563,334.62/11,065.68
  6. Step 6: Final answer
    x = 9,087.86

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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.