Home / 9,956.54-13,739.36-5,707.56

Finding the Fourth Proportional to 9,956.54, 13,739.36 and 5,707.56

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Solution

The fourth proportional to 9,956.54, 13,739.36 and 5,707.56 is: 7,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.54 : 13,739.36 = 5,707.56 : x
  2. Step 2: Convert to fraction form
    9,956.54/13,739.36 = 5,707.56/x
  3. Step 3: Cross multiply
    9,956.54x = 13,739.36 × 5,707.56
  4. Step 4: Simplify right side
    9,956.54x = 78,418,221.56
  5. Step 5: Solve for x
    x = 78,418,221.56/9,956.54
  6. Step 6: Final answer
    x = 7,876.05

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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.