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Finding the Fourth Proportional to 8,730.32, 12,047.13 and 6,083.44

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Solution

The fourth proportional to 8,730.32, 12,047.13 and 6,083.44 is: 8,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.32 : 12,047.13 = 6,083.44 : x
  2. Step 2: Convert to fraction form
    8,730.32/12,047.13 = 6,083.44/x
  3. Step 3: Cross multiply
    8,730.32x = 12,047.13 × 6,083.44
  4. Step 4: Simplify right side
    8,730.32x = 73,287,962.41
  5. Step 5: Solve for x
    x = 73,287,962.41/8,730.32
  6. Step 6: Final answer
    x = 8,394.65

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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.