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Finding the Fourth Proportional to 11,563.93, 15,958.11 and 6,258.63

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Solution

The fourth proportional to 11,563.93, 15,958.11 and 6,258.63 is: 8,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.93 : 15,958.11 = 6,258.63 : x
  2. Step 2: Convert to fraction form
    11,563.93/15,958.11 = 6,258.63/x
  3. Step 3: Cross multiply
    11,563.93x = 15,958.11 × 6,258.63
  4. Step 4: Simplify right side
    11,563.93x = 99,875,905.99
  5. Step 5: Solve for x
    x = 99,875,905.99/11,563.93
  6. Step 6: Final answer
    x = 8,636.85

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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.