Home / 11,195.32-15,445.20-6,477.88

Finding the Fourth Proportional to 11,195.32, 15,445.20 and 6,477.88

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Solution

The fourth proportional to 11,195.32, 15,445.20 and 6,477.88 is: 8,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.32 : 15,445.20 = 6,477.88 : x
  2. Step 2: Convert to fraction form
    11,195.32/15,445.20 = 6,477.88/x
  3. Step 3: Cross multiply
    11,195.32x = 15,445.20 × 6,477.88
  4. Step 4: Simplify right side
    11,195.32x = 100,052,152.18
  5. Step 5: Solve for x
    x = 100,052,152.18/11,195.32
  6. Step 6: Final answer
    x = 8,936.96

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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.