Home / 8,580.24-11,837.40-5,220.84

Finding the Fourth Proportional to 8,580.24, 11,837.40 and 5,220.84

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Solution

The fourth proportional to 8,580.24, 11,837.40 and 5,220.84 is: 7,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.24 : 11,837.40 = 5,220.84 : x
  2. Step 2: Convert to fraction form
    8,580.24/11,837.40 = 5,220.84/x
  3. Step 3: Cross multiply
    8,580.24x = 11,837.40 × 5,220.84
  4. Step 4: Simplify right side
    8,580.24x = 61,801,171.42
  5. Step 5: Solve for x
    x = 61,801,171.42/8,580.24
  6. Step 6: Final answer
    x = 7,202.73

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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.