Home / 15,078.25-22,617.37-5,212.14

Finding the Fourth Proportional to 15,078.25, 22,617.37 and 5,212.14

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Solution

The fourth proportional to 15,078.25, 22,617.37 and 5,212.14 is: 7,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078.25 : 22,617.37 = 5,212.14 : x
  2. Step 2: Convert to fraction form
    15,078.25/22,617.37 = 5,212.14/x
  3. Step 3: Cross multiply
    15,078.25x = 22,617.37 × 5,212.14
  4. Step 4: Simplify right side
    15,078.25x = 117,884,898.87
  5. Step 5: Solve for x
    x = 117,884,898.87/15,078.25
  6. Step 6: Final answer
    x = 7,818.21

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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.