Home / 12,037.98-16,612.11-6,660.62

Finding the Fourth Proportional to 12,037.98, 16,612.11 and 6,660.62

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Solution

The fourth proportional to 12,037.98, 16,612.11 and 6,660.62 is: 9,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037.98 : 16,612.11 = 6,660.62 : x
  2. Step 2: Convert to fraction form
    12,037.98/16,612.11 = 6,660.62/x
  3. Step 3: Cross multiply
    12,037.98x = 16,612.11 × 6,660.62
  4. Step 4: Simplify right side
    12,037.98x = 110,646,952.11
  5. Step 5: Solve for x
    x = 110,646,952.11/12,037.98
  6. Step 6: Final answer
    x = 9,191.49

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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.