Home / 11,445.47-17,168.31-4,051.18

Finding the Fourth Proportional to 11,445.47, 17,168.31 and 4,051.18

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Solution

The fourth proportional to 11,445.47, 17,168.31 and 4,051.18 is: 6,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.47 : 17,168.31 = 4,051.18 : x
  2. Step 2: Convert to fraction form
    11,445.47/17,168.31 = 4,051.18/x
  3. Step 3: Cross multiply
    11,445.47x = 17,168.31 × 4,051.18
  4. Step 4: Simplify right side
    11,445.47x = 69,551,935.57
  5. Step 5: Solve for x
    x = 69,551,935.57/11,445.47
  6. Step 6: Final answer
    x = 6,076.81

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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.