Home / 8,584.08-11,845.08-5,231.76

Finding the Fourth Proportional to 8,584.08, 11,845.08 and 5,231.76

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Solution

The fourth proportional to 8,584.08, 11,845.08 and 5,231.76 is: 7,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.08 : 11,845.08 = 5,231.76 : x
  2. Step 2: Convert to fraction form
    8,584.08/11,845.08 = 5,231.76/x
  3. Step 3: Cross multiply
    8,584.08x = 11,845.08 × 5,231.76
  4. Step 4: Simplify right side
    8,584.08x = 61,970,615.74
  5. Step 5: Solve for x
    x = 61,970,615.74/8,584.08
  6. Step 6: Final answer
    x = 7,219.25

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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.