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Finding the Fourth Proportional to 9,326.04, 12,866.82 and 6,336.72

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Solution

The fourth proportional to 9,326.04, 12,866.82 and 6,336.72 is: 8,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.04 : 12,866.82 = 6,336.72 : x
  2. Step 2: Convert to fraction form
    9,326.04/12,866.82 = 6,336.72/x
  3. Step 3: Cross multiply
    9,326.04x = 12,866.82 × 6,336.72
  4. Step 4: Simplify right side
    9,326.04x = 81,533,435.63
  5. Step 5: Solve for x
    x = 81,533,435.63/9,326.04
  6. Step 6: Final answer
    x = 8,742.56

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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.