Home / 11,989.04-16,543.68-7,273.04

Finding the Fourth Proportional to 11,989.04, 16,543.68 and 7,273.04

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Solution

The fourth proportional to 11,989.04, 16,543.68 and 7,273.04 is: 10,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.04 : 16,543.68 = 7,273.04 : x
  2. Step 2: Convert to fraction form
    11,989.04/16,543.68 = 7,273.04/x
  3. Step 3: Cross multiply
    11,989.04x = 16,543.68 × 7,273.04
  4. Step 4: Simplify right side
    11,989.04x = 120,322,846.39
  5. Step 5: Solve for x
    x = 120,322,846.39/11,989.04
  6. Step 6: Final answer
    x = 10,036.07

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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.