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Finding the Fourth Proportional to 10,644.10, 15,968.55 and 6,259.30

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Solution

The fourth proportional to 10,644.10, 15,968.55 and 6,259.30 is: 9,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.10 : 15,968.55 = 6,259.30 : x
  2. Step 2: Convert to fraction form
    10,644.10/15,968.55 = 6,259.30/x
  3. Step 3: Cross multiply
    10,644.10x = 15,968.55 × 6,259.30
  4. Step 4: Simplify right side
    10,644.10x = 99,951,945.02
  5. Step 5: Solve for x
    x = 99,951,945.02/10,644.10
  6. Step 6: Final answer
    x = 9,390.36

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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.