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Finding the Fourth Proportional to 10,994.10, 16,491.15 and 6,846.90

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Solution

The fourth proportional to 10,994.10, 16,491.15 and 6,846.90 is: 10,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.10 : 16,491.15 = 6,846.90 : x
  2. Step 2: Convert to fraction form
    10,994.10/16,491.15 = 6,846.90/x
  3. Step 3: Cross multiply
    10,994.10x = 16,491.15 × 6,846.90
  4. Step 4: Simplify right side
    10,994.10x = 112,913,254.94
  5. Step 5: Solve for x
    x = 112,913,254.94/10,994.10
  6. Step 6: Final answer
    x = 10,270.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.