Home / 10,902.23-16,351.02-4,977.44

Finding the Fourth Proportional to 10,902.23, 16,351.02 and 4,977.44

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Solution

The fourth proportional to 10,902.23, 16,351.02 and 4,977.44 is: 7,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.23 : 16,351.02 = 4,977.44 : x
  2. Step 2: Convert to fraction form
    10,902.23/16,351.02 = 4,977.44/x
  3. Step 3: Cross multiply
    10,902.23x = 16,351.02 × 4,977.44
  4. Step 4: Simplify right side
    10,902.23x = 81,386,220.99
  5. Step 5: Solve for x
    x = 81,386,220.99/10,902.23
  6. Step 6: Final answer
    x = 7,465.10

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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.