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Finding the Fourth Proportional to 8,851.10, 12,204.47 and 6,829.94

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Solution

The fourth proportional to 8,851.10, 12,204.47 and 6,829.94 is: 9,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.10 : 12,204.47 = 6,829.94 : x
  2. Step 2: Convert to fraction form
    8,851.10/12,204.47 = 6,829.94/x
  3. Step 3: Cross multiply
    8,851.10x = 12,204.47 × 6,829.94
  4. Step 4: Simplify right side
    8,851.10x = 83,355,702.66
  5. Step 5: Solve for x
    x = 83,355,702.66/8,851.10
  6. Step 6: Final answer
    x = 9,417.56

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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.