Home / 11,652.12-17,488.80-6,109.20

Finding the Fourth Proportional to 11,652.12, 17,488.80 and 6,109.20

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Solution

The fourth proportional to 11,652.12, 17,488.80 and 6,109.20 is: 9,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.12 : 17,488.80 = 6,109.20 : x
  2. Step 2: Convert to fraction form
    11,652.12/17,488.80 = 6,109.20/x
  3. Step 3: Cross multiply
    11,652.12x = 17,488.80 × 6,109.20
  4. Step 4: Simplify right side
    11,652.12x = 106,842,576.96
  5. Step 5: Solve for x
    x = 106,842,576.96/11,652.12
  6. Step 6: Final answer
    x = 9,169.37

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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.