Home / 8,979.22-13,466.32-5,370.45

Finding the Fourth Proportional to 8,979.22, 13,466.32 and 5,370.45

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Solution

The fourth proportional to 8,979.22, 13,466.32 and 5,370.45 is: 8,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.22 : 13,466.32 = 5,370.45 : x
  2. Step 2: Convert to fraction form
    8,979.22/13,466.32 = 5,370.45/x
  3. Step 3: Cross multiply
    8,979.22x = 13,466.32 × 5,370.45
  4. Step 4: Simplify right side
    8,979.22x = 72,320,198.24
  5. Step 5: Solve for x
    x = 72,320,198.24/8,979.22
  6. Step 6: Final answer
    x = 8,054.17

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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.