Home / 7,356.15-11,030.45-2,161.35

Finding the Fourth Proportional to 7,356.15, 11,030.45 and 2,161.35

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Solution

The fourth proportional to 7,356.15, 11,030.45 and 2,161.35 is: 3,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.15 : 11,030.45 = 2,161.35 : x
  2. Step 2: Convert to fraction form
    7,356.15/11,030.45 = 2,161.35/x
  3. Step 3: Cross multiply
    7,356.15x = 11,030.45 × 2,161.35
  4. Step 4: Simplify right side
    7,356.15x = 23,840,652.30
  5. Step 5: Solve for x
    x = 23,840,652.30/7,356.15
  6. Step 6: Final answer
    x = 3,240.91

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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.