Home / 8,845.35-12,204.38-5,697.75

Finding the Fourth Proportional to 8,845.35, 12,204.38 and 5,697.75

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Solution

The fourth proportional to 8,845.35, 12,204.38 and 5,697.75 is: 7,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.35 : 12,204.38 = 5,697.75 : x
  2. Step 2: Convert to fraction form
    8,845.35/12,204.38 = 5,697.75/x
  3. Step 3: Cross multiply
    8,845.35x = 12,204.38 × 5,697.75
  4. Step 4: Simplify right side
    8,845.35x = 69,537,477.66
  5. Step 5: Solve for x
    x = 69,537,477.66/8,845.35
  6. Step 6: Final answer
    x = 7,861.47

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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.