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Finding the Fourth Proportional to 10,837.32, 16,255.98 and 4,264.20

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Solution

The fourth proportional to 10,837.32, 16,255.98 and 4,264.20 is: 6,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,837.32 : 16,255.98 = 4,264.20 : x
  2. Step 2: Convert to fraction form
    10,837.32/16,255.98 = 4,264.20/x
  3. Step 3: Cross multiply
    10,837.32x = 16,255.98 × 4,264.20
  4. Step 4: Simplify right side
    10,837.32x = 69,318,749.92
  5. Step 5: Solve for x
    x = 69,318,749.92/10,837.32
  6. Step 6: Final answer
    x = 6,396.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.