Home / 11,329.80-16,987.86-4,752.60

Finding the Fourth Proportional to 11,329.80, 16,987.86 and 4,752.60

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Solution

The fourth proportional to 11,329.80, 16,987.86 and 4,752.60 is: 7,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.80 : 16,987.86 = 4,752.60 : x
  2. Step 2: Convert to fraction form
    11,329.80/16,987.86 = 4,752.60/x
  3. Step 3: Cross multiply
    11,329.80x = 16,987.86 × 4,752.60
  4. Step 4: Simplify right side
    11,329.80x = 80,736,503.44
  5. Step 5: Solve for x
    x = 80,736,503.44/11,329.80
  6. Step 6: Final answer
    x = 7,126.03

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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.