Home / 12,461.53-18,691.09-4,670.95

Finding the Fourth Proportional to 12,461.53, 18,691.09 and 4,670.95

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Solution

The fourth proportional to 12,461.53, 18,691.09 and 4,670.95 is: 7,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.53 : 18,691.09 = 4,670.95 : x
  2. Step 2: Convert to fraction form
    12,461.53/18,691.09 = 4,670.95/x
  3. Step 3: Cross multiply
    12,461.53x = 18,691.09 × 4,670.95
  4. Step 4: Simplify right side
    12,461.53x = 87,305,146.84
  5. Step 5: Solve for x
    x = 87,305,146.84/12,461.53
  6. Step 6: Final answer
    x = 7,005.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.