Home / 10,124.53-15,189.23-3,199.03

Finding the Fourth Proportional to 10,124.53, 15,189.23 and 3,199.03

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Solution

The fourth proportional to 10,124.53, 15,189.23 and 3,199.03 is: 4,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.53 : 15,189.23 = 3,199.03 : x
  2. Step 2: Convert to fraction form
    10,124.53/15,189.23 = 3,199.03/x
  3. Step 3: Cross multiply
    10,124.53x = 15,189.23 × 3,199.03
  4. Step 4: Simplify right side
    10,124.53x = 48,590,829.43
  5. Step 5: Solve for x
    x = 48,590,829.43/10,124.53
  6. Step 6: Final answer
    x = 4,799.32

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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.