Home / 12,436.60-17,163.42-7,133.08

Finding the Fourth Proportional to 12,436.60, 17,163.42 and 7,133.08

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Solution

The fourth proportional to 12,436.60, 17,163.42 and 7,133.08 is: 9,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.60 : 17,163.42 = 7,133.08 : x
  2. Step 2: Convert to fraction form
    12,436.60/17,163.42 = 7,133.08/x
  3. Step 3: Cross multiply
    12,436.60x = 17,163.42 × 7,133.08
  4. Step 4: Simplify right side
    12,436.60x = 122,428,047.93
  5. Step 5: Solve for x
    x = 122,428,047.93/12,436.60
  6. Step 6: Final answer
    x = 9,844.17

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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.