Home / 11,255.70-15,537.24-10,074.72

Finding the Fourth Proportional to 11,255.70, 15,537.24 and 10,074.72

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Solution

The fourth proportional to 11,255.70, 15,537.24 and 10,074.72 is: 13,907.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.70 : 15,537.24 = 10,074.72 : x
  2. Step 2: Convert to fraction form
    11,255.70/15,537.24 = 10,074.72/x
  3. Step 3: Cross multiply
    11,255.70x = 15,537.24 × 10,074.72
  4. Step 4: Simplify right side
    11,255.70x = 156,533,342.57
  5. Step 5: Solve for x
    x = 156,533,342.57/11,255.70
  6. Step 6: Final answer
    x = 13,907.03

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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.