Home / 11,873.58-17,810.40-3,108.48

Finding the Fourth Proportional to 11,873.58, 17,810.40 and 3,108.48

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Solution

The fourth proportional to 11,873.58, 17,810.40 and 3,108.48 is: 4,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.58 : 17,810.40 = 3,108.48 : x
  2. Step 2: Convert to fraction form
    11,873.58/17,810.40 = 3,108.48/x
  3. Step 3: Cross multiply
    11,873.58x = 17,810.40 × 3,108.48
  4. Step 4: Simplify right side
    11,873.58x = 55,363,272.19
  5. Step 5: Solve for x
    x = 55,363,272.19/11,873.58
  6. Step 6: Final answer
    x = 4,662.73

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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.