Home / 10,087.68-15,136.64-4,544.80

Finding the Fourth Proportional to 10,087.68, 15,136.64 and 4,544.80

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Solution

The fourth proportional to 10,087.68, 15,136.64 and 4,544.80 is: 6,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.68 : 15,136.64 = 4,544.80 : x
  2. Step 2: Convert to fraction form
    10,087.68/15,136.64 = 4,544.80/x
  3. Step 3: Cross multiply
    10,087.68x = 15,136.64 × 4,544.80
  4. Step 4: Simplify right side
    10,087.68x = 68,793,001.47
  5. Step 5: Solve for x
    x = 68,793,001.47/10,087.68
  6. Step 6: Final answer
    x = 6,819.51

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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.