Home / 9,351.24-12,905.09-5,373.60

Finding the Fourth Proportional to 9,351.24, 12,905.09 and 5,373.60

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Solution

The fourth proportional to 9,351.24, 12,905.09 and 5,373.60 is: 7,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.24 : 12,905.09 = 5,373.60 : x
  2. Step 2: Convert to fraction form
    9,351.24/12,905.09 = 5,373.60/x
  3. Step 3: Cross multiply
    9,351.24x = 12,905.09 × 5,373.60
  4. Step 4: Simplify right side
    9,351.24x = 69,346,791.62
  5. Step 5: Solve for x
    x = 69,346,791.62/9,351.24
  6. Step 6: Final answer
    x = 7,415.79

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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.