Home / 11,518.52-17,311.86-9,556.88

Finding the Fourth Proportional to 11,518.52, 17,311.86 and 9,556.88

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Solution

The fourth proportional to 11,518.52, 17,311.86 and 9,556.88 is: 14,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.52 : 17,311.86 = 9,556.88 : x
  2. Step 2: Convert to fraction form
    11,518.52/17,311.86 = 9,556.88/x
  3. Step 3: Cross multiply
    11,518.52x = 17,311.86 × 9,556.88
  4. Step 4: Simplify right side
    11,518.52x = 165,447,368.60
  5. Step 5: Solve for x
    x = 165,447,368.60/11,518.52
  6. Step 6: Final answer
    x = 14,363.60

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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.