Home / 9,190.08-12,683.34-8,627.04

Finding the Fourth Proportional to 9,190.08, 12,683.34 and 8,627.04

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Solution

The fourth proportional to 9,190.08, 12,683.34 and 8,627.04 is: 11,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.08 : 12,683.34 = 8,627.04 : x
  2. Step 2: Convert to fraction form
    9,190.08/12,683.34 = 8,627.04/x
  3. Step 3: Cross multiply
    9,190.08x = 12,683.34 × 8,627.04
  4. Step 4: Simplify right side
    9,190.08x = 109,419,681.51
  5. Step 5: Solve for x
    x = 109,419,681.51/9,190.08
  6. Step 6: Final answer
    x = 11,906.28

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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.