Home / 10,620.92-15,933.94-4,465.40

Finding the Fourth Proportional to 10,620.92, 15,933.94 and 4,465.40

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Solution

The fourth proportional to 10,620.92, 15,933.94 and 4,465.40 is: 6,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.92 : 15,933.94 = 4,465.40 : x
  2. Step 2: Convert to fraction form
    10,620.92/15,933.94 = 4,465.40/x
  3. Step 3: Cross multiply
    10,620.92x = 15,933.94 × 4,465.40
  4. Step 4: Simplify right side
    10,620.92x = 71,151,415.68
  5. Step 5: Solve for x
    x = 71,151,415.68/10,620.92
  6. Step 6: Final answer
    x = 6,699.18

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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.