Home / 11,232.78-15,501.07-6,698.60

Finding the Fourth Proportional to 11,232.78, 15,501.07 and 6,698.60

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Solution

The fourth proportional to 11,232.78, 15,501.07 and 6,698.60 is: 9,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.78 : 15,501.07 = 6,698.60 : x
  2. Step 2: Convert to fraction form
    11,232.78/15,501.07 = 6,698.60/x
  3. Step 3: Cross multiply
    11,232.78x = 15,501.07 × 6,698.60
  4. Step 4: Simplify right side
    11,232.78x = 103,835,456.50
  5. Step 5: Solve for x
    x = 103,835,456.50/11,232.78
  6. Step 6: Final answer
    x = 9,243.97

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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.