Home / 9,507.35-13,120.64-5,731.71

Finding the Fourth Proportional to 9,507.35, 13,120.64 and 5,731.71

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Solution

The fourth proportional to 9,507.35, 13,120.64 and 5,731.71 is: 7,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,507.35 : 13,120.64 = 5,731.71 : x
  2. Step 2: Convert to fraction form
    9,507.35/13,120.64 = 5,731.71/x
  3. Step 3: Cross multiply
    9,507.35x = 13,120.64 × 5,731.71
  4. Step 4: Simplify right side
    9,507.35x = 75,203,703.49
  5. Step 5: Solve for x
    x = 75,203,703.49/9,507.35
  6. Step 6: Final answer
    x = 7,910.06

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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.