Home / 11,262.36-15,542.50-7,479.01

Finding the Fourth Proportional to 11,262.36, 15,542.50 and 7,479.01

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Solution

The fourth proportional to 11,262.36, 15,542.50 and 7,479.01 is: 10,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.36 : 15,542.50 = 7,479.01 : x
  2. Step 2: Convert to fraction form
    11,262.36/15,542.50 = 7,479.01/x
  3. Step 3: Cross multiply
    11,262.36x = 15,542.50 × 7,479.01
  4. Step 4: Simplify right side
    11,262.36x = 116,242,512.93
  5. Step 5: Solve for x
    x = 116,242,512.93/11,262.36
  6. Step 6: Final answer
    x = 10,321.33

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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.