Home / 8,840.11-12,200.52-5,705.41

Finding the Fourth Proportional to 8,840.11, 12,200.52 and 5,705.41

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Solution

The fourth proportional to 8,840.11, 12,200.52 and 5,705.41 is: 7,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.11 : 12,200.52 = 5,705.41 : x
  2. Step 2: Convert to fraction form
    8,840.11/12,200.52 = 5,705.41/x
  3. Step 3: Cross multiply
    8,840.11x = 12,200.52 × 5,705.41
  4. Step 4: Simplify right side
    8,840.11x = 69,608,968.81
  5. Step 5: Solve for x
    x = 69,608,968.81/8,840.11
  6. Step 6: Final answer
    x = 7,874.22

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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.