Home / 11,449.20-15,801.36-6,733.92

Finding the Fourth Proportional to 11,449.20, 15,801.36 and 6,733.92

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Solution

The fourth proportional to 11,449.20, 15,801.36 and 6,733.92 is: 9,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.20 : 15,801.36 = 6,733.92 : x
  2. Step 2: Convert to fraction form
    11,449.20/15,801.36 = 6,733.92/x
  3. Step 3: Cross multiply
    11,449.20x = 15,801.36 × 6,733.92
  4. Step 4: Simplify right side
    11,449.20x = 106,405,094.13
  5. Step 5: Solve for x
    x = 106,405,094.13/11,449.20
  6. Step 6: Final answer
    x = 9,293.67

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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.