Home / 8,922.43-12,312.44-4,943.31

Finding the Fourth Proportional to 8,922.43, 12,312.44 and 4,943.31

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Solution

The fourth proportional to 8,922.43, 12,312.44 and 4,943.31 is: 6,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.43 : 12,312.44 = 4,943.31 : x
  2. Step 2: Convert to fraction form
    8,922.43/12,312.44 = 4,943.31/x
  3. Step 3: Cross multiply
    8,922.43x = 12,312.44 × 4,943.31
  4. Step 4: Simplify right side
    8,922.43x = 60,864,189.35
  5. Step 5: Solve for x
    x = 60,864,189.35/8,922.43
  6. Step 6: Final answer
    x = 6,821.48

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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.