Home / 11,573.49-17,356.80-4,909.89

Finding the Fourth Proportional to 11,573.49, 17,356.80 and 4,909.89

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Solution

The fourth proportional to 11,573.49, 17,356.80 and 4,909.89 is: 7,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.49 : 17,356.80 = 4,909.89 : x
  2. Step 2: Convert to fraction form
    11,573.49/17,356.80 = 4,909.89/x
  3. Step 3: Cross multiply
    11,573.49x = 17,356.80 × 4,909.89
  4. Step 4: Simplify right side
    11,573.49x = 85,219,978.75
  5. Step 5: Solve for x
    x = 85,219,978.75/11,573.49
  6. Step 6: Final answer
    x = 7,363.38

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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.