Home / 8,715.29-13,072.58-2,475.27

Finding the Fourth Proportional to 8,715.29, 13,072.58 and 2,475.27

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Solution

The fourth proportional to 8,715.29, 13,072.58 and 2,475.27 is: 3,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.29 : 13,072.58 = 2,475.27 : x
  2. Step 2: Convert to fraction form
    8,715.29/13,072.58 = 2,475.27/x
  3. Step 3: Cross multiply
    8,715.29x = 13,072.58 × 2,475.27
  4. Step 4: Simplify right side
    8,715.29x = 32,358,152.72
  5. Step 5: Solve for x
    x = 32,358,152.72/8,715.29
  6. Step 6: Final answer
    x = 3,712.80

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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.