Home / 11,699.19-17,548.86-4,679.79

Finding the Fourth Proportional to 11,699.19, 17,548.86 and 4,679.79

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Solution

The fourth proportional to 11,699.19, 17,548.86 and 4,679.79 is: 7,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.19 : 17,548.86 = 4,679.79 : x
  2. Step 2: Convert to fraction form
    11,699.19/17,548.86 = 4,679.79/x
  3. Step 3: Cross multiply
    11,699.19x = 17,548.86 × 4,679.79
  4. Step 4: Simplify right side
    11,699.19x = 82,124,979.54
  5. Step 5: Solve for x
    x = 82,124,979.54/11,699.19
  6. Step 6: Final answer
    x = 7,019.72

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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.