Home / 9,181.29-12,670.46-5,202.30

Finding the Fourth Proportional to 9,181.29, 12,670.46 and 5,202.30

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Solution

The fourth proportional to 9,181.29, 12,670.46 and 5,202.30 is: 7,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.29 : 12,670.46 = 5,202.30 : x
  2. Step 2: Convert to fraction form
    9,181.29/12,670.46 = 5,202.30/x
  3. Step 3: Cross multiply
    9,181.29x = 12,670.46 × 5,202.30
  4. Step 4: Simplify right side
    9,181.29x = 65,915,534.06
  5. Step 5: Solve for x
    x = 65,915,534.06/9,181.29
  6. Step 6: Final answer
    x = 7,179.33

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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.