Home / 12,950.73-17,871.57-7,285.59

Finding the Fourth Proportional to 12,950.73, 17,871.57 and 7,285.59

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Solution

The fourth proportional to 12,950.73, 17,871.57 and 7,285.59 is: 10,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.73 : 17,871.57 = 7,285.59 : x
  2. Step 2: Convert to fraction form
    12,950.73/17,871.57 = 7,285.59/x
  3. Step 3: Cross multiply
    12,950.73x = 17,871.57 × 7,285.59
  4. Step 4: Simplify right side
    12,950.73x = 130,204,931.68
  5. Step 5: Solve for x
    x = 130,204,931.68/12,950.73
  6. Step 6: Final answer
    x = 10,053.87

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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.