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Finding the Fourth Proportional to 9,381.98, 12,934.44 and 6,018.95

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Solution

The fourth proportional to 9,381.98, 12,934.44 and 6,018.95 is: 8,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.98 : 12,934.44 = 6,018.95 : x
  2. Step 2: Convert to fraction form
    9,381.98/12,934.44 = 6,018.95/x
  3. Step 3: Cross multiply
    9,381.98x = 12,934.44 × 6,018.95
  4. Step 4: Simplify right side
    9,381.98x = 77,851,682.97
  5. Step 5: Solve for x
    x = 77,851,682.97/9,381.98
  6. Step 6: Final answer
    x = 8,298.01

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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.