Home / 8,825.44-12,181.84-5,681.63

Finding the Fourth Proportional to 8,825.44, 12,181.84 and 5,681.63

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Solution

The fourth proportional to 8,825.44, 12,181.84 and 5,681.63 is: 7,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.44 : 12,181.84 = 5,681.63 : x
  2. Step 2: Convert to fraction form
    8,825.44/12,181.84 = 5,681.63/x
  3. Step 3: Cross multiply
    8,825.44x = 12,181.84 × 5,681.63
  4. Step 4: Simplify right side
    8,825.44x = 69,212,707.60
  5. Step 5: Solve for x
    x = 69,212,707.60/8,825.44
  6. Step 6: Final answer
    x = 7,842.41

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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.