Home / 10,772.19-16,160.11-4,929.26

Finding the Fourth Proportional to 10,772.19, 16,160.11 and 4,929.26

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Solution

The fourth proportional to 10,772.19, 16,160.11 and 4,929.26 is: 7,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.19 : 16,160.11 = 4,929.26 : x
  2. Step 2: Convert to fraction form
    10,772.19/16,160.11 = 4,929.26/x
  3. Step 3: Cross multiply
    10,772.19x = 16,160.11 × 4,929.26
  4. Step 4: Simplify right side
    10,772.19x = 79,657,290.69
  5. Step 5: Solve for x
    x = 79,657,290.69/10,772.19
  6. Step 6: Final answer
    x = 7,394.72

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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.