Home / 12,087.06-18,136.03-6,533.90

Finding the Fourth Proportional to 12,087.06, 18,136.03 and 6,533.90

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Solution

The fourth proportional to 12,087.06, 18,136.03 and 6,533.90 is: 9,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.06 : 18,136.03 = 6,533.90 : x
  2. Step 2: Convert to fraction form
    12,087.06/18,136.03 = 6,533.90/x
  3. Step 3: Cross multiply
    12,087.06x = 18,136.03 × 6,533.90
  4. Step 4: Simplify right side
    12,087.06x = 118,499,035.42
  5. Step 5: Solve for x
    x = 118,499,035.42/12,087.06
  6. Step 6: Final answer
    x = 9,803.79

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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.