Home / 11,708.61-17,562.91-4,783.11

Finding the Fourth Proportional to 11,708.61, 17,562.91 and 4,783.11

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Solution

The fourth proportional to 11,708.61, 17,562.91 and 4,783.11 is: 7,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.61 : 17,562.91 = 4,783.11 : x
  2. Step 2: Convert to fraction form
    11,708.61/17,562.91 = 4,783.11/x
  3. Step 3: Cross multiply
    11,708.61x = 17,562.91 × 4,783.11
  4. Step 4: Simplify right side
    11,708.61x = 84,005,330.45
  5. Step 5: Solve for x
    x = 84,005,330.45/11,708.61
  6. Step 6: Final answer
    x = 7,174.66

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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.