Home / 11,418.33-15,760.87-7,386.96

Finding the Fourth Proportional to 11,418.33, 15,760.87 and 7,386.96

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Solution

The fourth proportional to 11,418.33, 15,760.87 and 7,386.96 is: 10,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.33 : 15,760.87 = 7,386.96 : x
  2. Step 2: Convert to fraction form
    11,418.33/15,760.87 = 7,386.96/x
  3. Step 3: Cross multiply
    11,418.33x = 15,760.87 × 7,386.96
  4. Step 4: Simplify right side
    11,418.33x = 116,424,897.79
  5. Step 5: Solve for x
    x = 116,424,897.79/11,418.33
  6. Step 6: Final answer
    x = 10,196.32

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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.