Home / 12,265.12-16,923.18-6,958.72

Finding the Fourth Proportional to 12,265.12, 16,923.18 and 6,958.72

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Solution

The fourth proportional to 12,265.12, 16,923.18 and 6,958.72 is: 9,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.12 : 16,923.18 = 6,958.72 : x
  2. Step 2: Convert to fraction form
    12,265.12/16,923.18 = 6,958.72/x
  3. Step 3: Cross multiply
    12,265.12x = 16,923.18 × 6,958.72
  4. Step 4: Simplify right side
    12,265.12x = 117,763,671.13
  5. Step 5: Solve for x
    x = 117,763,671.13/12,265.12
  6. Step 6: Final answer
    x = 9,601.51

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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.