Home / 11,433.12-17,142.48-5,507.88

Finding the Fourth Proportional to 11,433.12, 17,142.48 and 5,507.88

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Solution

The fourth proportional to 11,433.12, 17,142.48 and 5,507.88 is: 8,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.12 : 17,142.48 = 5,507.88 : x
  2. Step 2: Convert to fraction form
    11,433.12/17,142.48 = 5,507.88/x
  3. Step 3: Cross multiply
    11,433.12x = 17,142.48 × 5,507.88
  4. Step 4: Simplify right side
    11,433.12x = 94,418,722.74
  5. Step 5: Solve for x
    x = 94,418,722.74/11,433.12
  6. Step 6: Final answer
    x = 8,258.35

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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.