Home / 9,351.14-12,905.07-5,372.51

Finding the Fourth Proportional to 9,351.14, 12,905.07 and 5,372.51

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Solution

The fourth proportional to 9,351.14, 12,905.07 and 5,372.51 is: 7,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.14 : 12,905.07 = 5,372.51 : x
  2. Step 2: Convert to fraction form
    9,351.14/12,905.07 = 5,372.51/x
  3. Step 3: Cross multiply
    9,351.14x = 12,905.07 × 5,372.51
  4. Step 4: Simplify right side
    9,351.14x = 69,332,526.24
  5. Step 5: Solve for x
    x = 69,332,526.24/9,351.14
  6. Step 6: Final answer
    x = 7,414.34

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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.