Home / 11,327.52-16,988.64-4,752.96

Finding the Fourth Proportional to 11,327.52, 16,988.64 and 4,752.96

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Solution

The fourth proportional to 11,327.52, 16,988.64 and 4,752.96 is: 7,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.52 : 16,988.64 = 4,752.96 : x
  2. Step 2: Convert to fraction form
    11,327.52/16,988.64 = 4,752.96/x
  3. Step 3: Cross multiply
    11,327.52x = 16,988.64 × 4,752.96
  4. Step 4: Simplify right side
    11,327.52x = 80,746,326.37
  5. Step 5: Solve for x
    x = 80,746,326.37/11,327.52
  6. Step 6: Final answer
    x = 7,128.33

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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.