Home / 8,880.87-12,256.00-5,105.26

Finding the Fourth Proportional to 8,880.87, 12,256.00 and 5,105.26

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Solution

The fourth proportional to 8,880.87, 12,256.00 and 5,105.26 is: 7,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.87 : 12,256.00 = 5,105.26 : x
  2. Step 2: Convert to fraction form
    8,880.87/12,256.00 = 5,105.26/x
  3. Step 3: Cross multiply
    8,880.87x = 12,256.00 × 5,105.26
  4. Step 4: Simplify right side
    8,880.87x = 62,570,023.16
  5. Step 5: Solve for x
    x = 62,570,023.16/8,880.87
  6. Step 6: Final answer
    x = 7,045.48

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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.