Home / 11,537.44-15,916.10-7,556.80

Finding the Fourth Proportional to 11,537.44, 15,916.10 and 7,556.80

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Solution

The fourth proportional to 11,537.44, 15,916.10 and 7,556.80 is: 10,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.44 : 15,916.10 = 7,556.80 : x
  2. Step 2: Convert to fraction form
    11,537.44/15,916.10 = 7,556.80/x
  3. Step 3: Cross multiply
    11,537.44x = 15,916.10 × 7,556.80
  4. Step 4: Simplify right side
    11,537.44x = 120,274,784.48
  5. Step 5: Solve for x
    x = 120,274,784.48/11,537.44
  6. Step 6: Final answer
    x = 10,424.74

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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.