Home / 11,848.56-17,772.80-11,126.88

Finding the Fourth Proportional to 11,848.56, 17,772.80 and 11,126.88

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Solution

The fourth proportional to 11,848.56, 17,772.80 and 11,126.88 is: 16,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.56 : 17,772.80 = 11,126.88 : x
  2. Step 2: Convert to fraction form
    11,848.56/17,772.80 = 11,126.88/x
  3. Step 3: Cross multiply
    11,848.56x = 17,772.80 × 11,126.88
  4. Step 4: Simplify right side
    11,848.56x = 197,755,812.86
  5. Step 5: Solve for x
    x = 197,755,812.86/11,848.56
  6. Step 6: Final answer
    x = 16,690.28

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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.