Home / 7,623.18-11,435.51-3,465.18

Finding the Fourth Proportional to 7,623.18, 11,435.51 and 3,465.18

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Solution

The fourth proportional to 7,623.18, 11,435.51 and 3,465.18 is: 5,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.18 : 11,435.51 = 3,465.18 : x
  2. Step 2: Convert to fraction form
    7,623.18/11,435.51 = 3,465.18/x
  3. Step 3: Cross multiply
    7,623.18x = 11,435.51 × 3,465.18
  4. Step 4: Simplify right side
    7,623.18x = 39,626,109.20
  5. Step 5: Solve for x
    x = 39,626,109.20/7,623.18
  6. Step 6: Final answer
    x = 5,198.11

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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.