Home / 11,281.68-15,571.20-6,566.88

Finding the Fourth Proportional to 11,281.68, 15,571.20 and 6,566.88

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Solution

The fourth proportional to 11,281.68, 15,571.20 and 6,566.88 is: 9,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.68 : 15,571.20 = 6,566.88 : x
  2. Step 2: Convert to fraction form
    11,281.68/15,571.20 = 6,566.88/x
  3. Step 3: Cross multiply
    11,281.68x = 15,571.20 × 6,566.88
  4. Step 4: Simplify right side
    11,281.68x = 102,254,201.86
  5. Step 5: Solve for x
    x = 102,254,201.86/11,281.68
  6. Step 6: Final answer
    x = 9,063.74

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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.