Home / 11,747.68-16,208.76-7,273.60

Finding the Fourth Proportional to 11,747.68, 16,208.76 and 7,273.60

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Solution

The fourth proportional to 11,747.68, 16,208.76 and 7,273.60 is: 10,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.68 : 16,208.76 = 7,273.60 : x
  2. Step 2: Convert to fraction form
    11,747.68/16,208.76 = 7,273.60/x
  3. Step 3: Cross multiply
    11,747.68x = 16,208.76 × 7,273.60
  4. Step 4: Simplify right side
    11,747.68x = 117,896,036.74
  5. Step 5: Solve for x
    x = 117,896,036.74/11,747.68
  6. Step 6: Final answer
    x = 10,035.69

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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.