Home / 8,880.31-12,255.22-5,104.70

Finding the Fourth Proportional to 8,880.31, 12,255.22 and 5,104.70

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Solution

The fourth proportional to 8,880.31, 12,255.22 and 5,104.70 is: 7,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.31 : 12,255.22 = 5,104.70 : x
  2. Step 2: Convert to fraction form
    8,880.31/12,255.22 = 5,104.70/x
  3. Step 3: Cross multiply
    8,880.31x = 12,255.22 × 5,104.70
  4. Step 4: Simplify right side
    8,880.31x = 62,559,166.64
  5. Step 5: Solve for x
    x = 62,559,166.64/8,880.31
  6. Step 6: Final answer
    x = 7,044.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.