Home / 8,904.36-13,347.86-3,711.72

Finding the Fourth Proportional to 8,904.36, 13,347.86 and 3,711.72

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Solution

The fourth proportional to 8,904.36, 13,347.86 and 3,711.72 is: 5,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.36 : 13,347.86 = 3,711.72 : x
  2. Step 2: Convert to fraction form
    8,904.36/13,347.86 = 3,711.72/x
  3. Step 3: Cross multiply
    8,904.36x = 13,347.86 × 3,711.72
  4. Step 4: Simplify right side
    8,904.36x = 49,543,518.92
  5. Step 5: Solve for x
    x = 49,543,518.92/8,904.36
  6. Step 6: Final answer
    x = 5,563.96

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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.