Home / 9,968.28-13,755.60-5,987.04

Finding the Fourth Proportional to 9,968.28, 13,755.60 and 5,987.04

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Solution

The fourth proportional to 9,968.28, 13,755.60 and 5,987.04 is: 8,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.28 : 13,755.60 = 5,987.04 : x
  2. Step 2: Convert to fraction form
    9,968.28/13,755.60 = 5,987.04/x
  3. Step 3: Cross multiply
    9,968.28x = 13,755.60 × 5,987.04
  4. Step 4: Simplify right side
    9,968.28x = 82,355,327.42
  5. Step 5: Solve for x
    x = 82,355,327.42/9,968.28
  6. Step 6: Final answer
    x = 8,261.74

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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.