Home / 9,147.09-13,721.40-2,573.34

Finding the Fourth Proportional to 9,147.09, 13,721.40 and 2,573.34

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Solution

The fourth proportional to 9,147.09, 13,721.40 and 2,573.34 is: 3,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.09 : 13,721.40 = 2,573.34 : x
  2. Step 2: Convert to fraction form
    9,147.09/13,721.40 = 2,573.34/x
  3. Step 3: Cross multiply
    9,147.09x = 13,721.40 × 2,573.34
  4. Step 4: Simplify right side
    9,147.09x = 35,309,776.02
  5. Step 5: Solve for x
    x = 35,309,776.02/9,147.09
  6. Step 6: Final answer
    x = 3,860.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.