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Finding the Fourth Proportional to 7,699.86, 11,557.96 and 6,256.44

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Solution

The fourth proportional to 7,699.86, 11,557.96 and 6,256.44 is: 9,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.86 : 11,557.96 = 6,256.44 : x
  2. Step 2: Convert to fraction form
    7,699.86/11,557.96 = 6,256.44/x
  3. Step 3: Cross multiply
    7,699.86x = 11,557.96 × 6,256.44
  4. Step 4: Simplify right side
    7,699.86x = 72,311,683.26
  5. Step 5: Solve for x
    x = 72,311,683.26/7,699.86
  6. Step 6: Final answer
    x = 9,391.30

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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.