Home / 10,136.27-15,206.90-3,116.00

Finding the Fourth Proportional to 10,136.27, 15,206.90 and 3,116.00

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Solution

The fourth proportional to 10,136.27, 15,206.90 and 3,116.00 is: 4,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.27 : 15,206.90 = 3,116.00 : x
  2. Step 2: Convert to fraction form
    10,136.27/15,206.90 = 3,116.00/x
  3. Step 3: Cross multiply
    10,136.27x = 15,206.90 × 3,116.00
  4. Step 4: Simplify right side
    10,136.27x = 47,384,722.84
  5. Step 5: Solve for x
    x = 47,384,722.84/10,136.27
  6. Step 6: Final answer
    x = 4,674.77

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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.