Home / 9,725.30-13,419.91-5,475.68

Finding the Fourth Proportional to 9,725.30, 13,419.91 and 5,475.68

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Solution

The fourth proportional to 9,725.30, 13,419.91 and 5,475.68 is: 7,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.30 : 13,419.91 = 5,475.68 : x
  2. Step 2: Convert to fraction form
    9,725.30/13,419.91 = 5,475.68/x
  3. Step 3: Cross multiply
    9,725.30x = 13,419.91 × 5,475.68
  4. Step 4: Simplify right side
    9,725.30x = 73,483,198.35
  5. Step 5: Solve for x
    x = 73,483,198.35/9,725.30
  6. Step 6: Final answer
    x = 7,555.88

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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.