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Finding the Fourth Proportional to 11,652.23, 16,074.96 and 7,874.01

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Solution

The fourth proportional to 11,652.23, 16,074.96 and 7,874.01 is: 10,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.23 : 16,074.96 = 7,874.01 : x
  2. Step 2: Convert to fraction form
    11,652.23/16,074.96 = 7,874.01/x
  3. Step 3: Cross multiply
    11,652.23x = 16,074.96 × 7,874.01
  4. Step 4: Simplify right side
    11,652.23x = 126,574,356.42
  5. Step 5: Solve for x
    x = 126,574,356.42/11,652.23
  6. Step 6: Final answer
    x = 10,862.68

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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.