Home / 9,311.12-13,969.72-2,737.36

Finding the Fourth Proportional to 9,311.12, 13,969.72 and 2,737.36

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Solution

The fourth proportional to 9,311.12, 13,969.72 and 2,737.36 is: 4,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.12 : 13,969.72 = 2,737.36 : x
  2. Step 2: Convert to fraction form
    9,311.12/13,969.72 = 2,737.36/x
  3. Step 3: Cross multiply
    9,311.12x = 13,969.72 × 2,737.36
  4. Step 4: Simplify right side
    9,311.12x = 38,240,152.74
  5. Step 5: Solve for x
    x = 38,240,152.74/9,311.12
  6. Step 6: Final answer
    x = 4,106.93

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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.