Home / 11,386.20-17,080.20-3,595.68

Finding the Fourth Proportional to 11,386.20, 17,080.20 and 3,595.68

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Solution

The fourth proportional to 11,386.20, 17,080.20 and 3,595.68 is: 5,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.20 : 17,080.20 = 3,595.68 : x
  2. Step 2: Convert to fraction form
    11,386.20/17,080.20 = 3,595.68/x
  3. Step 3: Cross multiply
    11,386.20x = 17,080.20 × 3,595.68
  4. Step 4: Simplify right side
    11,386.20x = 61,414,933.54
  5. Step 5: Solve for x
    x = 61,414,933.54/11,386.20
  6. Step 6: Final answer
    x = 5,393.80

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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.