Home / 8,958.35-12,334.29-8,127.98

Finding the Fourth Proportional to 8,958.35, 12,334.29 and 8,127.98

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Solution

The fourth proportional to 8,958.35, 12,334.29 and 8,127.98 is: 11,191.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.35 : 12,334.29 = 8,127.98 : x
  2. Step 2: Convert to fraction form
    8,958.35/12,334.29 = 8,127.98/x
  3. Step 3: Cross multiply
    8,958.35x = 12,334.29 × 8,127.98
  4. Step 4: Simplify right side
    8,958.35x = 100,252,862.43
  5. Step 5: Solve for x
    x = 100,252,862.43/8,958.35
  6. Step 6: Final answer
    x = 11,191.00

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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.