Home / 8,922.82-12,300.66-6,261.98

Finding the Fourth Proportional to 8,922.82, 12,300.66 and 6,261.98

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Solution

The fourth proportional to 8,922.82, 12,300.66 and 6,261.98 is: 8,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.82 : 12,300.66 = 6,261.98 : x
  2. Step 2: Convert to fraction form
    8,922.82/12,300.66 = 6,261.98/x
  3. Step 3: Cross multiply
    8,922.82x = 12,300.66 × 6,261.98
  4. Step 4: Simplify right side
    8,922.82x = 77,026,486.91
  5. Step 5: Solve for x
    x = 77,026,486.91/8,922.82
  6. Step 6: Final answer
    x = 8,632.53

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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.