Home / 11,537.97-15,922.71-7,061.64

Finding the Fourth Proportional to 11,537.97, 15,922.71 and 7,061.64

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Solution

The fourth proportional to 11,537.97, 15,922.71 and 7,061.64 is: 9,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.97 : 15,922.71 = 7,061.64 : x
  2. Step 2: Convert to fraction form
    11,537.97/15,922.71 = 7,061.64/x
  3. Step 3: Cross multiply
    11,537.97x = 15,922.71 × 7,061.64
  4. Step 4: Simplify right side
    11,537.97x = 112,440,445.84
  5. Step 5: Solve for x
    x = 112,440,445.84/11,537.97
  6. Step 6: Final answer
    x = 9,745.25

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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.