Home / 9,711.39-14,563.43-3,135.81

Finding the Fourth Proportional to 9,711.39, 14,563.43 and 3,135.81

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Solution

The fourth proportional to 9,711.39, 14,563.43 and 3,135.81 is: 4,702.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.39 : 14,563.43 = 3,135.81 : x
  2. Step 2: Convert to fraction form
    9,711.39/14,563.43 = 3,135.81/x
  3. Step 3: Cross multiply
    9,711.39x = 14,563.43 × 3,135.81
  4. Step 4: Simplify right side
    9,711.39x = 45,668,200.12
  5. Step 5: Solve for x
    x = 45,668,200.12/9,711.39
  6. Step 6: Final answer
    x = 4,702.54

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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.