Home / 12,343.74-17,042.31-11,015.16

Finding the Fourth Proportional to 12,343.74, 17,042.31 and 11,015.16

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Solution

The fourth proportional to 12,343.74, 17,042.31 and 11,015.16 is: 15,208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.74 : 17,042.31 = 11,015.16 : x
  2. Step 2: Convert to fraction form
    12,343.74/17,042.31 = 11,015.16/x
  3. Step 3: Cross multiply
    12,343.74x = 17,042.31 × 11,015.16
  4. Step 4: Simplify right side
    12,343.74x = 187,723,771.42
  5. Step 5: Solve for x
    x = 187,723,771.42/12,343.74
  6. Step 6: Final answer
    x = 15,208.01

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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.