Home / 6,421.13-9,632.24-1,804.13

Finding the Fourth Proportional to 6,421.13, 9,632.24 and 1,804.13

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Solution

The fourth proportional to 6,421.13, 9,632.24 and 1,804.13 is: 2,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.13 : 9,632.24 = 1,804.13 : x
  2. Step 2: Convert to fraction form
    6,421.13/9,632.24 = 1,804.13/x
  3. Step 3: Cross multiply
    6,421.13x = 9,632.24 × 1,804.13
  4. Step 4: Simplify right side
    6,421.13x = 17,377,813.15
  5. Step 5: Solve for x
    x = 17,377,813.15/6,421.13
  6. Step 6: Final answer
    x = 2,706.35

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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.