Home / 12,529.44-17,290.44-7,224.72

Finding the Fourth Proportional to 12,529.44, 17,290.44 and 7,224.72

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Solution

The fourth proportional to 12,529.44, 17,290.44 and 7,224.72 is: 9,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.44 : 17,290.44 = 7,224.72 : x
  2. Step 2: Convert to fraction form
    12,529.44/17,290.44 = 7,224.72/x
  3. Step 3: Cross multiply
    12,529.44x = 17,290.44 × 7,224.72
  4. Step 4: Simplify right side
    12,529.44x = 124,918,587.68
  5. Step 5: Solve for x
    x = 124,918,587.68/12,529.44
  6. Step 6: Final answer
    x = 9,970.01

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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.