Home / 12,262.05-16,921.71-6,956.96

Finding the Fourth Proportional to 12,262.05, 16,921.71 and 6,956.96

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Solution

The fourth proportional to 12,262.05, 16,921.71 and 6,956.96 is: 9,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.05 : 16,921.71 = 6,956.96 : x
  2. Step 2: Convert to fraction form
    12,262.05/16,921.71 = 6,956.96/x
  3. Step 3: Cross multiply
    12,262.05x = 16,921.71 × 6,956.96
  4. Step 4: Simplify right side
    12,262.05x = 117,723,574.99
  5. Step 5: Solve for x
    x = 117,723,574.99/12,262.05
  6. Step 6: Final answer
    x = 9,600.64

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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.