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Finding the Fourth Proportional to 8,968.98, 13,457.86 and 6,353.30

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Solution

The fourth proportional to 8,968.98, 13,457.86 and 6,353.30 is: 9,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.98 : 13,457.86 = 6,353.30 : x
  2. Step 2: Convert to fraction form
    8,968.98/13,457.86 = 6,353.30/x
  3. Step 3: Cross multiply
    8,968.98x = 13,457.86 × 6,353.30
  4. Step 4: Simplify right side
    8,968.98x = 85,501,821.94
  5. Step 5: Solve for x
    x = 85,501,821.94/8,968.98
  6. Step 6: Final answer
    x = 9,533.06

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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.