Home / 12,434.10-18,644.66-4,636.50

Finding the Fourth Proportional to 12,434.10, 18,644.66 and 4,636.50

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Solution

The fourth proportional to 12,434.10, 18,644.66 and 4,636.50 is: 6,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.10 : 18,644.66 = 4,636.50 : x
  2. Step 2: Convert to fraction form
    12,434.10/18,644.66 = 4,636.50/x
  3. Step 3: Cross multiply
    12,434.10x = 18,644.66 × 4,636.50
  4. Step 4: Simplify right side
    12,434.10x = 86,445,966.09
  5. Step 5: Solve for x
    x = 86,445,966.09/12,434.10
  6. Step 6: Final answer
    x = 6,952.33

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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.