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Finding the Fourth Proportional to 8,871, 12,242.07 and 5,334.27

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Solution

The fourth proportional to 8,871, 12,242.07 and 5,334.27 is: 7,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871 : 12,242.07 = 5,334.27 : x
  2. Step 2: Convert to fraction form
    8,871/12,242.07 = 5,334.27/x
  3. Step 3: Cross multiply
    8,871x = 12,242.07 × 5,334.27
  4. Step 4: Simplify right side
    8,871x = 65,302,506.74
  5. Step 5: Solve for x
    x = 65,302,506.74/8,871
  6. Step 6: Final answer
    x = 7,361.35

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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.