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Finding the Fourth Proportional to 9,326.95, 12,860.64 and 6,941.16

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Solution

The fourth proportional to 9,326.95, 12,860.64 and 6,941.16 is: 9,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.95 : 12,860.64 = 6,941.16 : x
  2. Step 2: Convert to fraction form
    9,326.95/12,860.64 = 6,941.16/x
  3. Step 3: Cross multiply
    9,326.95x = 12,860.64 × 6,941.16
  4. Step 4: Simplify right side
    9,326.95x = 89,267,759.94
  5. Step 5: Solve for x
    x = 89,267,759.94/9,326.95
  6. Step 6: Final answer
    x = 9,570.95

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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.