Home / 9,136.53-12,608.46-4,944.78

Finding the Fourth Proportional to 9,136.53, 12,608.46 and 4,944.78

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Solution

The fourth proportional to 9,136.53, 12,608.46 and 4,944.78 is: 6,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.53 : 12,608.46 = 4,944.78 : x
  2. Step 2: Convert to fraction form
    9,136.53/12,608.46 = 4,944.78/x
  3. Step 3: Cross multiply
    9,136.53x = 12,608.46 × 4,944.78
  4. Step 4: Simplify right side
    9,136.53x = 62,346,060.84
  5. Step 5: Solve for x
    x = 62,346,060.84/9,136.53
  6. Step 6: Final answer
    x = 6,823.82

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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.