Home / 8,974.02-13,428.23-5,277.99

Finding the Fourth Proportional to 8,974.02, 13,428.23 and 5,277.99

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Solution

The fourth proportional to 8,974.02, 13,428.23 and 5,277.99 is: 7,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.02 : 13,428.23 = 5,277.99 : x
  2. Step 2: Convert to fraction form
    8,974.02/13,428.23 = 5,277.99/x
  3. Step 3: Cross multiply
    8,974.02x = 13,428.23 × 5,277.99
  4. Step 4: Simplify right side
    8,974.02x = 70,874,037.27
  5. Step 5: Solve for x
    x = 70,874,037.27/8,974.02
  6. Step 6: Final answer
    x = 7,897.69

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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.