Home / 10,213.99-15,315.94-5,998.30

Finding the Fourth Proportional to 10,213.99, 15,315.94 and 5,998.30

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Solution

The fourth proportional to 10,213.99, 15,315.94 and 5,998.30 is: 8,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.99 : 15,315.94 = 5,998.30 : x
  2. Step 2: Convert to fraction form
    10,213.99/15,315.94 = 5,998.30/x
  3. Step 3: Cross multiply
    10,213.99x = 15,315.94 × 5,998.30
  4. Step 4: Simplify right side
    10,213.99x = 91,869,602.90
  5. Step 5: Solve for x
    x = 91,869,602.90/10,213.99
  6. Step 6: Final answer
    x = 8,994.49

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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.