Home / 8,922.33-12,312.90-4,943.82

Finding the Fourth Proportional to 8,922.33, 12,312.90 and 4,943.82

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Solution

The fourth proportional to 8,922.33, 12,312.90 and 4,943.82 is: 6,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.33 : 12,312.90 = 4,943.82 : x
  2. Step 2: Convert to fraction form
    8,922.33/12,312.90 = 4,943.82/x
  3. Step 3: Cross multiply
    8,922.33x = 12,312.90 × 4,943.82
  4. Step 4: Simplify right side
    8,922.33x = 60,872,761.28
  5. Step 5: Solve for x
    x = 60,872,761.28/8,922.33
  6. Step 6: Final answer
    x = 6,822.52

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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.