Home / 10,765.19-16,145.97-2,974.01

Finding the Fourth Proportional to 10,765.19, 16,145.97 and 2,974.01

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Solution

The fourth proportional to 10,765.19, 16,145.97 and 2,974.01 is: 4,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.19 : 16,145.97 = 2,974.01 : x
  2. Step 2: Convert to fraction form
    10,765.19/16,145.97 = 2,974.01/x
  3. Step 3: Cross multiply
    10,765.19x = 16,145.97 × 2,974.01
  4. Step 4: Simplify right side
    10,765.19x = 48,018,184.36
  5. Step 5: Solve for x
    x = 48,018,184.36/10,765.19
  6. Step 6: Final answer
    x = 4,460.50

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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.