Home / 9,722.35-14,579.85-3,146.77

Finding the Fourth Proportional to 9,722.35, 14,579.85 and 3,146.77

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Solution

The fourth proportional to 9,722.35, 14,579.85 and 3,146.77 is: 4,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.35 : 14,579.85 = 3,146.77 : x
  2. Step 2: Convert to fraction form
    9,722.35/14,579.85 = 3,146.77/x
  3. Step 3: Cross multiply
    9,722.35x = 14,579.85 × 3,146.77
  4. Step 4: Simplify right side
    9,722.35x = 45,879,364.90
  5. Step 5: Solve for x
    x = 45,879,364.90/9,722.35
  6. Step 6: Final answer
    x = 4,718.96

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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.