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Finding the Fourth Proportional to 11,957.56, 16,501.62 and 6,652.60

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Solution

The fourth proportional to 11,957.56, 16,501.62 and 6,652.60 is: 9,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.56 : 16,501.62 = 6,652.60 : x
  2. Step 2: Convert to fraction form
    11,957.56/16,501.62 = 6,652.60/x
  3. Step 3: Cross multiply
    11,957.56x = 16,501.62 × 6,652.60
  4. Step 4: Simplify right side
    11,957.56x = 109,778,677.21
  5. Step 5: Solve for x
    x = 109,778,677.21/11,957.56
  6. Step 6: Final answer
    x = 9,180.69

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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.