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Finding the Fourth Proportional to 9,343.01, 12,894.26 and 6,981.05

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Solution

The fourth proportional to 9,343.01, 12,894.26 and 6,981.05 is: 9,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.01 : 12,894.26 = 6,981.05 : x
  2. Step 2: Convert to fraction form
    9,343.01/12,894.26 = 6,981.05/x
  3. Step 3: Cross multiply
    9,343.01x = 12,894.26 × 6,981.05
  4. Step 4: Simplify right side
    9,343.01x = 90,015,374.40
  5. Step 5: Solve for x
    x = 90,015,374.40/9,343.01
  6. Step 6: Final answer
    x = 9,634.52

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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.