Home / 8,718.08-13,048.32-5,433.60

Finding the Fourth Proportional to 8,718.08, 13,048.32 and 5,433.60

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Solution

The fourth proportional to 8,718.08, 13,048.32 and 5,433.60 is: 8,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.08 : 13,048.32 = 5,433.60 : x
  2. Step 2: Convert to fraction form
    8,718.08/13,048.32 = 5,433.60/x
  3. Step 3: Cross multiply
    8,718.08x = 13,048.32 × 5,433.60
  4. Step 4: Simplify right side
    8,718.08x = 70,899,351.55
  5. Step 5: Solve for x
    x = 70,899,351.55/8,718.08
  6. Step 6: Final answer
    x = 8,132.45

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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.