Home / 9,458.82-13,057.20-5,921.28

Finding the Fourth Proportional to 9,458.82, 13,057.20 and 5,921.28

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Solution

The fourth proportional to 9,458.82, 13,057.20 and 5,921.28 is: 8,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,458.82 : 13,057.20 = 5,921.28 : x
  2. Step 2: Convert to fraction form
    9,458.82/13,057.20 = 5,921.28/x
  3. Step 3: Cross multiply
    9,458.82x = 13,057.20 × 5,921.28
  4. Step 4: Simplify right side
    9,458.82x = 77,315,337.22
  5. Step 5: Solve for x
    x = 77,315,337.22/9,458.82
  6. Step 6: Final answer
    x = 8,173.89

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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.