Home / 12,950.74-17,856.57-9,174.52

Finding the Fourth Proportional to 12,950.74, 17,856.57 and 9,174.52

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Solution

The fourth proportional to 12,950.74, 17,856.57 and 9,174.52 is: 12,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.74 : 17,856.57 = 9,174.52 : x
  2. Step 2: Convert to fraction form
    12,950.74/17,856.57 = 9,174.52/x
  3. Step 3: Cross multiply
    12,950.74x = 17,856.57 × 9,174.52
  4. Step 4: Simplify right side
    12,950.74x = 163,825,463.71
  5. Step 5: Solve for x
    x = 163,825,463.71/12,950.74
  6. Step 6: Final answer
    x = 12,649.89

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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.