Home / 8,958.48-12,362.94-5,181.27

Finding the Fourth Proportional to 8,958.48, 12,362.94 and 5,181.27

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Solution

The fourth proportional to 8,958.48, 12,362.94 and 5,181.27 is: 7,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.48 : 12,362.94 = 5,181.27 : x
  2. Step 2: Convert to fraction form
    8,958.48/12,362.94 = 5,181.27/x
  3. Step 3: Cross multiply
    8,958.48x = 12,362.94 × 5,181.27
  4. Step 4: Simplify right side
    8,958.48x = 64,055,730.13
  5. Step 5: Solve for x
    x = 64,055,730.13/8,958.48
  6. Step 6: Final answer
    x = 7,150.29

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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.