Home / 11,281.55-15,571.04-6,568.56

Finding the Fourth Proportional to 11,281.55, 15,571.04 and 6,568.56

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Solution

The fourth proportional to 11,281.55, 15,571.04 and 6,568.56 is: 9,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.55 : 15,571.04 = 6,568.56 : x
  2. Step 2: Convert to fraction form
    11,281.55/15,571.04 = 6,568.56/x
  3. Step 3: Cross multiply
    11,281.55x = 15,571.04 × 6,568.56
  4. Step 4: Simplify right side
    11,281.55x = 102,279,310.50
  5. Step 5: Solve for x
    x = 102,279,310.50/11,281.55
  6. Step 6: Final answer
    x = 9,066.07

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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.