Home / 11,576.40-17,371.86-6,655.62

Finding the Fourth Proportional to 11,576.40, 17,371.86 and 6,655.62

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Solution

The fourth proportional to 11,576.40, 17,371.86 and 6,655.62 is: 9,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.40 : 17,371.86 = 6,655.62 : x
  2. Step 2: Convert to fraction form
    11,576.40/17,371.86 = 6,655.62/x
  3. Step 3: Cross multiply
    11,576.40x = 17,371.86 × 6,655.62
  4. Step 4: Simplify right side
    11,576.40x = 115,620,498.85
  5. Step 5: Solve for x
    x = 115,620,498.85/11,576.40
  6. Step 6: Final answer
    x = 9,987.60

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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.