Home / 11,956.71-16,501.73-7,240.98

Finding the Fourth Proportional to 11,956.71, 16,501.73 and 7,240.98

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Solution

The fourth proportional to 11,956.71, 16,501.73 and 7,240.98 is: 9,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.71 : 16,501.73 = 7,240.98 : x
  2. Step 2: Convert to fraction form
    11,956.71/16,501.73 = 7,240.98/x
  3. Step 3: Cross multiply
    11,956.71x = 16,501.73 × 7,240.98
  4. Step 4: Simplify right side
    11,956.71x = 119,488,660.69
  5. Step 5: Solve for x
    x = 119,488,660.69/11,956.71
  6. Step 6: Final answer
    x = 9,993.44

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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.