Home / 11,960.39-16,502.28-7,243.76

Finding the Fourth Proportional to 11,960.39, 16,502.28 and 7,243.76

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Solution

The fourth proportional to 11,960.39, 16,502.28 and 7,243.76 is: 9,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,960.39 : 16,502.28 = 7,243.76 : x
  2. Step 2: Convert to fraction form
    11,960.39/16,502.28 = 7,243.76/x
  3. Step 3: Cross multiply
    11,960.39x = 16,502.28 × 7,243.76
  4. Step 4: Simplify right side
    11,960.39x = 119,538,555.77
  5. Step 5: Solve for x
    x = 119,538,555.77/11,960.39
  6. Step 6: Final answer
    x = 9,994.54

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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.