Home / 11,961.74-16,506.13-6,926.30

Finding the Fourth Proportional to 11,961.74, 16,506.13 and 6,926.30

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Solution

The fourth proportional to 11,961.74, 16,506.13 and 6,926.30 is: 9,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.74 : 16,506.13 = 6,926.30 : x
  2. Step 2: Convert to fraction form
    11,961.74/16,506.13 = 6,926.30/x
  3. Step 3: Cross multiply
    11,961.74x = 16,506.13 × 6,926.30
  4. Step 4: Simplify right side
    11,961.74x = 114,326,373.59
  5. Step 5: Solve for x
    x = 114,326,373.59/11,961.74
  6. Step 6: Final answer
    x = 9,557.67

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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.