Home / 8,148.16-12,224.36-3,468.32

Finding the Fourth Proportional to 8,148.16, 12,224.36 and 3,468.32

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Solution

The fourth proportional to 8,148.16, 12,224.36 and 3,468.32 is: 5,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.16 : 12,224.36 = 3,468.32 : x
  2. Step 2: Convert to fraction form
    8,148.16/12,224.36 = 3,468.32/x
  3. Step 3: Cross multiply
    8,148.16x = 12,224.36 × 3,468.32
  4. Step 4: Simplify right side
    8,148.16x = 42,397,992.28
  5. Step 5: Solve for x
    x = 42,397,992.28/8,148.16
  6. Step 6: Final answer
    x = 5,203.38

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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.