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Finding the Fourth Proportional to 9,326.58, 12,875.43 and 7,197.32

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Solution

The fourth proportional to 9,326.58, 12,875.43 and 7,197.32 is: 9,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.58 : 12,875.43 = 7,197.32 : x
  2. Step 2: Convert to fraction form
    9,326.58/12,875.43 = 7,197.32/x
  3. Step 3: Cross multiply
    9,326.58x = 12,875.43 × 7,197.32
  4. Step 4: Simplify right side
    9,326.58x = 92,668,589.85
  5. Step 5: Solve for x
    x = 92,668,589.85/9,326.58
  6. Step 6: Final answer
    x = 9,935.97

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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.