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Finding the Fourth Proportional to 7,950.17, 11,867.13 and 7,371.95

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Solution

The fourth proportional to 7,950.17, 11,867.13 and 7,371.95 is: 11,004.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.17 : 11,867.13 = 7,371.95 : x
  2. Step 2: Convert to fraction form
    7,950.17/11,867.13 = 7,371.95/x
  3. Step 3: Cross multiply
    7,950.17x = 11,867.13 × 7,371.95
  4. Step 4: Simplify right side
    7,950.17x = 87,483,829.67
  5. Step 5: Solve for x
    x = 87,483,829.67/7,950.17
  6. Step 6: Final answer
    x = 11,004.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.