Home / 9,956.21-13,739.54-5,480.01

Finding the Fourth Proportional to 9,956.21, 13,739.54 and 5,480.01

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Solution

The fourth proportional to 9,956.21, 13,739.54 and 5,480.01 is: 7,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.21 : 13,739.54 = 5,480.01 : x
  2. Step 2: Convert to fraction form
    9,956.21/13,739.54 = 5,480.01/x
  3. Step 3: Cross multiply
    9,956.21x = 13,739.54 × 5,480.01
  4. Step 4: Simplify right side
    9,956.21x = 75,292,789.20
  5. Step 5: Solve for x
    x = 75,292,789.20/9,956.21
  6. Step 6: Final answer
    x = 7,562.40

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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.