Home / 8,929.38-13,392.54-4,916.82

Finding the Fourth Proportional to 8,929.38, 13,392.54 and 4,916.82

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Solution

The fourth proportional to 8,929.38, 13,392.54 and 4,916.82 is: 7,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.38 : 13,392.54 = 4,916.82 : x
  2. Step 2: Convert to fraction form
    8,929.38/13,392.54 = 4,916.82/x
  3. Step 3: Cross multiply
    8,929.38x = 13,392.54 × 4,916.82
  4. Step 4: Simplify right side
    8,929.38x = 65,848,708.52
  5. Step 5: Solve for x
    x = 65,848,708.52/8,929.38
  6. Step 6: Final answer
    x = 7,374.39

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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.