Home / 9,711.15-14,563.61-3,135.81

Finding the Fourth Proportional to 9,711.15, 14,563.61 and 3,135.81

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Solution

The fourth proportional to 9,711.15, 14,563.61 and 3,135.81 is: 4,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.15 : 14,563.61 = 3,135.81 : x
  2. Step 2: Convert to fraction form
    9,711.15/14,563.61 = 3,135.81/x
  3. Step 3: Cross multiply
    9,711.15x = 14,563.61 × 3,135.81
  4. Step 4: Simplify right side
    9,711.15x = 45,668,698.20
  5. Step 5: Solve for x
    x = 45,668,698.20/9,711.15
  6. Step 6: Final answer
    x = 4,702.71

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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.