Home / 12,136.24-18,206.96-6,873.74

Finding the Fourth Proportional to 12,136.24, 18,206.96 and 6,873.74

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Solution

The fourth proportional to 12,136.24, 18,206.96 and 6,873.74 is: 10,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.24 : 18,206.96 = 6,873.74 : x
  2. Step 2: Convert to fraction form
    12,136.24/18,206.96 = 6,873.74/x
  3. Step 3: Cross multiply
    12,136.24x = 18,206.96 × 6,873.74
  4. Step 4: Simplify right side
    12,136.24x = 125,149,783.83
  5. Step 5: Solve for x
    x = 125,149,783.83/12,136.24
  6. Step 6: Final answer
    x = 10,312.07

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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.