Home / 10,962.54-16,438.68-4,722.30

Finding the Fourth Proportional to 10,962.54, 16,438.68 and 4,722.30

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Solution

The fourth proportional to 10,962.54, 16,438.68 and 4,722.30 is: 7,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.54 : 16,438.68 = 4,722.30 : x
  2. Step 2: Convert to fraction form
    10,962.54/16,438.68 = 4,722.30/x
  3. Step 3: Cross multiply
    10,962.54x = 16,438.68 × 4,722.30
  4. Step 4: Simplify right side
    10,962.54x = 77,628,378.56
  5. Step 5: Solve for x
    x = 77,628,378.56/10,962.54
  6. Step 6: Final answer
    x = 7,081.24

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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.