Home / 9,098.96-12,556.68-5,120.08

Finding the Fourth Proportional to 9,098.96, 12,556.68 and 5,120.08

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Solution

The fourth proportional to 9,098.96, 12,556.68 and 5,120.08 is: 7,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,098.96 : 12,556.68 = 5,120.08 : x
  2. Step 2: Convert to fraction form
    9,098.96/12,556.68 = 5,120.08/x
  3. Step 3: Cross multiply
    9,098.96x = 12,556.68 × 5,120.08
  4. Step 4: Simplify right side
    9,098.96x = 64,291,206.13
  5. Step 5: Solve for x
    x = 64,291,206.13/9,098.96
  6. Step 6: Final answer
    x = 7,065.78

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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.