Home / 8,731.87-13,098.72-5,038.27

Finding the Fourth Proportional to 8,731.87, 13,098.72 and 5,038.27

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Solution

The fourth proportional to 8,731.87, 13,098.72 and 5,038.27 is: 7,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.87 : 13,098.72 = 5,038.27 : x
  2. Step 2: Convert to fraction form
    8,731.87/13,098.72 = 5,038.27/x
  3. Step 3: Cross multiply
    8,731.87x = 13,098.72 × 5,038.27
  4. Step 4: Simplify right side
    8,731.87x = 65,994,888.01
  5. Step 5: Solve for x
    x = 65,994,888.01/8,731.87
  6. Step 6: Final answer
    x = 7,557.93

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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.