Home / 11,600.48-16,016.98-7,130.22

Finding the Fourth Proportional to 11,600.48, 16,016.98 and 7,130.22

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Solution

The fourth proportional to 11,600.48, 16,016.98 and 7,130.22 is: 9,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,600.48 : 16,016.98 = 7,130.22 : x
  2. Step 2: Convert to fraction form
    11,600.48/16,016.98 = 7,130.22/x
  3. Step 3: Cross multiply
    11,600.48x = 16,016.98 × 7,130.22
  4. Step 4: Simplify right side
    11,600.48x = 114,204,591.14
  5. Step 5: Solve for x
    x = 114,204,591.14/11,600.48
  6. Step 6: Final answer
    x = 9,844.82

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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.