Home / 11,357.04-17,026.25-5,115.18

Finding the Fourth Proportional to 11,357.04, 17,026.25 and 5,115.18

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Solution

The fourth proportional to 11,357.04, 17,026.25 and 5,115.18 is: 7,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.04 : 17,026.25 = 5,115.18 : x
  2. Step 2: Convert to fraction form
    11,357.04/17,026.25 = 5,115.18/x
  3. Step 3: Cross multiply
    11,357.04x = 17,026.25 × 5,115.18
  4. Step 4: Simplify right side
    11,357.04x = 87,092,400.52
  5. Step 5: Solve for x
    x = 87,092,400.52/11,357.04
  6. Step 6: Final answer
    x = 7,668.58

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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.