Home / 8,153.87-12,230.55-2,607.53

Finding the Fourth Proportional to 8,153.87, 12,230.55 and 2,607.53

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Solution

The fourth proportional to 8,153.87, 12,230.55 and 2,607.53 is: 3,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.87 : 12,230.55 = 2,607.53 : x
  2. Step 2: Convert to fraction form
    8,153.87/12,230.55 = 2,607.53/x
  3. Step 3: Cross multiply
    8,153.87x = 12,230.55 × 2,607.53
  4. Step 4: Simplify right side
    8,153.87x = 31,891,464.89
  5. Step 5: Solve for x
    x = 31,891,464.89/8,153.87
  6. Step 6: Final answer
    x = 3,911.21

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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.