Home / 11,280.35-16,922.09-4,705.02

Finding the Fourth Proportional to 11,280.35, 16,922.09 and 4,705.02

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Solution

The fourth proportional to 11,280.35, 16,922.09 and 4,705.02 is: 7,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.35 : 16,922.09 = 4,705.02 : x
  2. Step 2: Convert to fraction form
    11,280.35/16,922.09 = 4,705.02/x
  3. Step 3: Cross multiply
    11,280.35x = 16,922.09 × 4,705.02
  4. Step 4: Simplify right side
    11,280.35x = 79,618,783.65
  5. Step 5: Solve for x
    x = 79,618,783.65/11,280.35
  6. Step 6: Final answer
    x = 7,058.18

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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.