Home / 11,240.64-15,503.31-9,567.54

Finding the Fourth Proportional to 11,240.64, 15,503.31 and 9,567.54

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Solution

The fourth proportional to 11,240.64, 15,503.31 and 9,567.54 is: 13,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.64 : 15,503.31 = 9,567.54 : x
  2. Step 2: Convert to fraction form
    11,240.64/15,503.31 = 9,567.54/x
  3. Step 3: Cross multiply
    11,240.64x = 15,503.31 × 9,567.54
  4. Step 4: Simplify right side
    11,240.64x = 148,328,538.56
  5. Step 5: Solve for x
    x = 148,328,538.56/11,240.64
  6. Step 6: Final answer
    x = 13,195.74

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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.