Home / 11,451.04-15,796.86-7,207.36

Finding the Fourth Proportional to 11,451.04, 15,796.86 and 7,207.36

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Solution

The fourth proportional to 11,451.04, 15,796.86 and 7,207.36 is: 9,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.04 : 15,796.86 = 7,207.36 : x
  2. Step 2: Convert to fraction form
    11,451.04/15,796.86 = 7,207.36/x
  3. Step 3: Cross multiply
    11,451.04x = 15,796.86 × 7,207.36
  4. Step 4: Simplify right side
    11,451.04x = 113,853,656.89
  5. Step 5: Solve for x
    x = 113,853,656.89/11,451.04
  6. Step 6: Final answer
    x = 9,942.65

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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.