Home / 11,725.02-17,587.62-3,405.60

Finding the Fourth Proportional to 11,725.02, 17,587.62 and 3,405.60

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Solution

The fourth proportional to 11,725.02, 17,587.62 and 3,405.60 is: 5,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.02 : 17,587.62 = 3,405.60 : x
  2. Step 2: Convert to fraction form
    11,725.02/17,587.62 = 3,405.60/x
  3. Step 3: Cross multiply
    11,725.02x = 17,587.62 × 3,405.60
  4. Step 4: Simplify right side
    11,725.02x = 59,896,398.67
  5. Step 5: Solve for x
    x = 59,896,398.67/11,725.02
  6. Step 6: Final answer
    x = 5,108.43

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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.