Home / 12,401.15-17,113.31-6,735.84

Finding the Fourth Proportional to 12,401.15, 17,113.31 and 6,735.84

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Solution

The fourth proportional to 12,401.15, 17,113.31 and 6,735.84 is: 9,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.15 : 17,113.31 = 6,735.84 : x
  2. Step 2: Convert to fraction form
    12,401.15/17,113.31 = 6,735.84/x
  3. Step 3: Cross multiply
    12,401.15x = 17,113.31 × 6,735.84
  4. Step 4: Simplify right side
    12,401.15x = 115,272,445.44
  5. Step 5: Solve for x
    x = 115,272,445.44/12,401.15
  6. Step 6: Final answer
    x = 9,295.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.