Home / 9,778.85-14,669.42-3,541.80

Finding the Fourth Proportional to 9,778.85, 14,669.42 and 3,541.80

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Solution

The fourth proportional to 9,778.85, 14,669.42 and 3,541.80 is: 5,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.85 : 14,669.42 = 3,541.80 : x
  2. Step 2: Convert to fraction form
    9,778.85/14,669.42 = 3,541.80/x
  3. Step 3: Cross multiply
    9,778.85x = 14,669.42 × 3,541.80
  4. Step 4: Simplify right side
    9,778.85x = 51,956,151.76
  5. Step 5: Solve for x
    x = 51,956,151.76/9,778.85
  6. Step 6: Final answer
    x = 5,313.11

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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.