Home / 12,529.16-17,282.16-9,538.44

Finding the Fourth Proportional to 12,529.16, 17,282.16 and 9,538.44

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Solution

The fourth proportional to 12,529.16, 17,282.16 and 9,538.44 is: 13,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.16 : 17,282.16 = 9,538.44 : x
  2. Step 2: Convert to fraction form
    12,529.16/17,282.16 = 9,538.44/x
  3. Step 3: Cross multiply
    12,529.16x = 17,282.16 × 9,538.44
  4. Step 4: Simplify right side
    12,529.16x = 164,844,846.23
  5. Step 5: Solve for x
    x = 164,844,846.23/12,529.16
  6. Step 6: Final answer
    x = 13,156.90

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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.