Home / 11,965.44-16,501.56-7,489.60

Finding the Fourth Proportional to 11,965.44, 16,501.56 and 7,489.60

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Solution

The fourth proportional to 11,965.44, 16,501.56 and 7,489.60 is: 10,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.44 : 16,501.56 = 7,489.60 : x
  2. Step 2: Convert to fraction form
    11,965.44/16,501.56 = 7,489.60/x
  3. Step 3: Cross multiply
    11,965.44x = 16,501.56 × 7,489.60
  4. Step 4: Simplify right side
    11,965.44x = 123,590,083.78
  5. Step 5: Solve for x
    x = 123,590,083.78/11,965.44
  6. Step 6: Final answer
    x = 10,328.92

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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.