Home / 12,325.19-17,008.75-6,659.93

Finding the Fourth Proportional to 12,325.19, 17,008.75 and 6,659.93

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Solution

The fourth proportional to 12,325.19, 17,008.75 and 6,659.93 is: 9,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.19 : 17,008.75 = 6,659.93 : x
  2. Step 2: Convert to fraction form
    12,325.19/17,008.75 = 6,659.93/x
  3. Step 3: Cross multiply
    12,325.19x = 17,008.75 × 6,659.93
  4. Step 4: Simplify right side
    12,325.19x = 113,277,135.23
  5. Step 5: Solve for x
    x = 113,277,135.23/12,325.19
  6. Step 6: Final answer
    x = 9,190.70

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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.