Home / 8,772.57-13,164.32-5,492.07

Finding the Fourth Proportional to 8,772.57, 13,164.32 and 5,492.07

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Solution

The fourth proportional to 8,772.57, 13,164.32 and 5,492.07 is: 8,241.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.57 : 13,164.32 = 5,492.07 : x
  2. Step 2: Convert to fraction form
    8,772.57/13,164.32 = 5,492.07/x
  3. Step 3: Cross multiply
    8,772.57x = 13,164.32 × 5,492.07
  4. Step 4: Simplify right side
    8,772.57x = 72,299,380.67
  5. Step 5: Solve for x
    x = 72,299,380.67/8,772.57
  6. Step 6: Final answer
    x = 8,241.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.