Home / 9,130.41-13,699.16-3,582.78

Finding the Fourth Proportional to 9,130.41, 13,699.16 and 3,582.78

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Solution

The fourth proportional to 9,130.41, 13,699.16 and 3,582.78 is: 5,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.41 : 13,699.16 = 3,582.78 : x
  2. Step 2: Convert to fraction form
    9,130.41/13,699.16 = 3,582.78/x
  3. Step 3: Cross multiply
    9,130.41x = 13,699.16 × 3,582.78
  4. Step 4: Simplify right side
    9,130.41x = 49,081,058.55
  5. Step 5: Solve for x
    x = 49,081,058.55/9,130.41
  6. Step 6: Final answer
    x = 5,375.56

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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.