Home / 9,164.85-13,748.64-2,922.81

Finding the Fourth Proportional to 9,164.85, 13,748.64 and 2,922.81

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Solution

The fourth proportional to 9,164.85, 13,748.64 and 2,922.81 is: 4,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.85 : 13,748.64 = 2,922.81 : x
  2. Step 2: Convert to fraction form
    9,164.85/13,748.64 = 2,922.81/x
  3. Step 3: Cross multiply
    9,164.85x = 13,748.64 × 2,922.81
  4. Step 4: Simplify right side
    9,164.85x = 40,184,662.48
  5. Step 5: Solve for x
    x = 40,184,662.48/9,164.85
  6. Step 6: Final answer
    x = 4,384.65

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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.