Home / 10,136.19-14,014.04-7,786.11

Finding the Fourth Proportional to 10,136.19, 14,014.04 and 7,786.11

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Solution

The fourth proportional to 10,136.19, 14,014.04 and 7,786.11 is: 10,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.19 : 14,014.04 = 7,786.11 : x
  2. Step 2: Convert to fraction form
    10,136.19/14,014.04 = 7,786.11/x
  3. Step 3: Cross multiply
    10,136.19x = 14,014.04 × 7,786.11
  4. Step 4: Simplify right side
    10,136.19x = 109,114,818.05
  5. Step 5: Solve for x
    x = 109,114,818.05/10,136.19
  6. Step 6: Final answer
    x = 10,764.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.