Home / 8,923.84-12,314.99-4,945.04

Finding the Fourth Proportional to 8,923.84, 12,314.99 and 4,945.04

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Solution

The fourth proportional to 8,923.84, 12,314.99 and 4,945.04 is: 6,824.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.84 : 12,314.99 = 4,945.04 : x
  2. Step 2: Convert to fraction form
    8,923.84/12,314.99 = 4,945.04/x
  3. Step 3: Cross multiply
    8,923.84x = 12,314.99 × 4,945.04
  4. Step 4: Simplify right side
    8,923.84x = 60,898,118.15
  5. Step 5: Solve for x
    x = 60,898,118.15/8,923.84
  6. Step 6: Final answer
    x = 6,824.21

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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.