Home / 10,069.17-15,108.26-5,136.21

Finding the Fourth Proportional to 10,069.17, 15,108.26 and 5,136.21

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Solution

The fourth proportional to 10,069.17, 15,108.26 and 5,136.21 is: 7,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.17 : 15,108.26 = 5,136.21 : x
  2. Step 2: Convert to fraction form
    10,069.17/15,108.26 = 5,136.21/x
  3. Step 3: Cross multiply
    10,069.17x = 15,108.26 × 5,136.21
  4. Step 4: Simplify right side
    10,069.17x = 77,599,170.41
  5. Step 5: Solve for x
    x = 77,599,170.41/10,069.17
  6. Step 6: Final answer
    x = 7,706.61

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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.