Home / 11,657.40-17,491.28-6,109.43

Finding the Fourth Proportional to 11,657.40, 17,491.28 and 6,109.43

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Solution

The fourth proportional to 11,657.40, 17,491.28 and 6,109.43 is: 9,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.40 : 17,491.28 = 6,109.43 : x
  2. Step 2: Convert to fraction form
    11,657.40/17,491.28 = 6,109.43/x
  3. Step 3: Cross multiply
    11,657.40x = 17,491.28 × 6,109.43
  4. Step 4: Simplify right side
    11,657.40x = 106,861,632.77
  5. Step 5: Solve for x
    x = 106,861,632.77/11,657.40
  6. Step 6: Final answer
    x = 9,166.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.