Home / 11,591.49-17,386.28-3,693.68

Finding the Fourth Proportional to 11,591.49, 17,386.28 and 3,693.68

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Solution

The fourth proportional to 11,591.49, 17,386.28 and 3,693.68 is: 5,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.49 : 17,386.28 = 3,693.68 : x
  2. Step 2: Convert to fraction form
    11,591.49/17,386.28 = 3,693.68/x
  3. Step 3: Cross multiply
    11,591.49x = 17,386.28 × 3,693.68
  4. Step 4: Simplify right side
    11,591.49x = 64,219,379.71
  5. Step 5: Solve for x
    x = 64,219,379.71/11,591.49
  6. Step 6: Final answer
    x = 5,540.22

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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.