Home / 8,880.72-13,317.29-3,330.23

Finding the Fourth Proportional to 8,880.72, 13,317.29 and 3,330.23

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Solution

The fourth proportional to 8,880.72, 13,317.29 and 3,330.23 is: 4,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.72 : 13,317.29 = 3,330.23 : x
  2. Step 2: Convert to fraction form
    8,880.72/13,317.29 = 3,330.23/x
  3. Step 3: Cross multiply
    8,880.72x = 13,317.29 × 3,330.23
  4. Step 4: Simplify right side
    8,880.72x = 44,349,555.44
  5. Step 5: Solve for x
    x = 44,349,555.44/8,880.72
  6. Step 6: Final answer
    x = 4,993.91

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1.5x scale

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.