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Finding the Fourth Proportional to 9,958.64, 13,744.22 and 6,432.10

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Solution

The fourth proportional to 9,958.64, 13,744.22 and 6,432.10 is: 8,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.64 : 13,744.22 = 6,432.10 : x
  2. Step 2: Convert to fraction form
    9,958.64/13,744.22 = 6,432.10/x
  3. Step 3: Cross multiply
    9,958.64x = 13,744.22 × 6,432.10
  4. Step 4: Simplify right side
    9,958.64x = 88,404,130.94
  5. Step 5: Solve for x
    x = 88,404,130.94/9,958.64
  6. Step 6: Final answer
    x = 8,877.13

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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.