Home / 12,003.96-16,562.70-6,966.84

Finding the Fourth Proportional to 12,003.96, 16,562.70 and 6,966.84

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Solution

The fourth proportional to 12,003.96, 16,562.70 and 6,966.84 is: 9,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003.96 : 16,562.70 = 6,966.84 : x
  2. Step 2: Convert to fraction form
    12,003.96/16,562.70 = 6,966.84/x
  3. Step 3: Cross multiply
    12,003.96x = 16,562.70 × 6,966.84
  4. Step 4: Simplify right side
    12,003.96x = 115,389,680.87
  5. Step 5: Solve for x
    x = 115,389,680.87/12,003.96
  6. Step 6: Final answer
    x = 9,612.63

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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.