Home / 9,165.37-13,748.06-3,320.05

Finding the Fourth Proportional to 9,165.37, 13,748.06 and 3,320.05

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Solution

The fourth proportional to 9,165.37, 13,748.06 and 3,320.05 is: 4,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.37 : 13,748.06 = 3,320.05 : x
  2. Step 2: Convert to fraction form
    9,165.37/13,748.06 = 3,320.05/x
  3. Step 3: Cross multiply
    9,165.37x = 13,748.06 × 3,320.05
  4. Step 4: Simplify right side
    9,165.37x = 45,644,246.60
  5. Step 5: Solve for x
    x = 45,644,246.60/9,165.37
  6. Step 6: Final answer
    x = 4,980.08

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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.