Home / 9,098.76-12,556.26-5,119.88

Finding the Fourth Proportional to 9,098.76, 12,556.26 and 5,119.88

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Solution

The fourth proportional to 9,098.76, 12,556.26 and 5,119.88 is: 7,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,098.76 : 12,556.26 = 5,119.88 : x
  2. Step 2: Convert to fraction form
    9,098.76/12,556.26 = 5,119.88/x
  3. Step 3: Cross multiply
    9,098.76x = 12,556.26 × 5,119.88
  4. Step 4: Simplify right side
    9,098.76x = 64,286,544.45
  5. Step 5: Solve for x
    x = 64,286,544.45/9,098.76
  6. Step 6: Final answer
    x = 7,065.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.