Home / 10,136.21-15,189.84-4,575.74

Finding the Fourth Proportional to 10,136.21, 15,189.84 and 4,575.74

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Solution

The fourth proportional to 10,136.21, 15,189.84 and 4,575.74 is: 6,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.21 : 15,189.84 = 4,575.74 : x
  2. Step 2: Convert to fraction form
    10,136.21/15,189.84 = 4,575.74/x
  3. Step 3: Cross multiply
    10,136.21x = 15,189.84 × 4,575.74
  4. Step 4: Simplify right side
    10,136.21x = 69,504,682.53
  5. Step 5: Solve for x
    x = 69,504,682.53/10,136.21
  6. Step 6: Final answer
    x = 6,857.07

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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.