Home / 12,325.37-17,009.39-7,020.07

Finding the Fourth Proportional to 12,325.37, 17,009.39 and 7,020.07

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Solution

The fourth proportional to 12,325.37, 17,009.39 and 7,020.07 is: 9,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.37 : 17,009.39 = 7,020.07 : x
  2. Step 2: Convert to fraction form
    12,325.37/17,009.39 = 7,020.07/x
  3. Step 3: Cross multiply
    12,325.37x = 17,009.39 × 7,020.07
  4. Step 4: Simplify right side
    12,325.37x = 119,407,083.48
  5. Step 5: Solve for x
    x = 119,407,083.48/12,325.37
  6. Step 6: Final answer
    x = 9,687.91

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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.