Home / 11,669.77-16,106.13-6,956.78

Finding the Fourth Proportional to 11,669.77, 16,106.13 and 6,956.78

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Solution

The fourth proportional to 11,669.77, 16,106.13 and 6,956.78 is: 9,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.77 : 16,106.13 = 6,956.78 : x
  2. Step 2: Convert to fraction form
    11,669.77/16,106.13 = 6,956.78/x
  3. Step 3: Cross multiply
    11,669.77x = 16,106.13 × 6,956.78
  4. Step 4: Simplify right side
    11,669.77x = 112,046,768.28
  5. Step 5: Solve for x
    x = 112,046,768.28/11,669.77
  6. Step 6: Final answer
    x = 9,601.46

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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.