Home / 12,006.16-18,011.50-4,610.05

Finding the Fourth Proportional to 12,006.16, 18,011.50 and 4,610.05

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Solution

The fourth proportional to 12,006.16, 18,011.50 and 4,610.05 is: 6,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.16 : 18,011.50 = 4,610.05 : x
  2. Step 2: Convert to fraction form
    12,006.16/18,011.50 = 4,610.05/x
  3. Step 3: Cross multiply
    12,006.16x = 18,011.50 × 4,610.05
  4. Step 4: Simplify right side
    12,006.16x = 83,033,954.46
  5. Step 5: Solve for x
    x = 83,033,954.46/12,006.16
  6. Step 6: Final answer
    x = 6,915.95

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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.