Home / 11,003.42-15,184.59-6,287.60

Finding the Fourth Proportional to 11,003.42, 15,184.59 and 6,287.60

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Solution

The fourth proportional to 11,003.42, 15,184.59 and 6,287.60 is: 8,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.42 : 15,184.59 = 6,287.60 : x
  2. Step 2: Convert to fraction form
    11,003.42/15,184.59 = 6,287.60/x
  3. Step 3: Cross multiply
    11,003.42x = 15,184.59 × 6,287.60
  4. Step 4: Simplify right side
    11,003.42x = 95,474,628.08
  5. Step 5: Solve for x
    x = 95,474,628.08/11,003.42
  6. Step 6: Final answer
    x = 8,676.81

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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.