Home / 8,715.24-13,062.72-4,025.40

Finding the Fourth Proportional to 8,715.24, 13,062.72 and 4,025.40

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Solution

The fourth proportional to 8,715.24, 13,062.72 and 4,025.40 is: 6,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.24 : 13,062.72 = 4,025.40 : x
  2. Step 2: Convert to fraction form
    8,715.24/13,062.72 = 4,025.40/x
  3. Step 3: Cross multiply
    8,715.24x = 13,062.72 × 4,025.40
  4. Step 4: Simplify right side
    8,715.24x = 52,582,673.09
  5. Step 5: Solve for x
    x = 52,582,673.09/8,715.24
  6. Step 6: Final answer
    x = 6,033.42

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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.