Home / 8,515.10-11,752.26-4,930.16

Finding the Fourth Proportional to 8,515.10, 11,752.26 and 4,930.16

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Solution

The fourth proportional to 8,515.10, 11,752.26 and 4,930.16 is: 6,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.10 : 11,752.26 = 4,930.16 : x
  2. Step 2: Convert to fraction form
    8,515.10/11,752.26 = 4,930.16/x
  3. Step 3: Cross multiply
    8,515.10x = 11,752.26 × 4,930.16
  4. Step 4: Simplify right side
    8,515.10x = 57,940,522.16
  5. Step 5: Solve for x
    x = 57,940,522.16/8,515.10
  6. Step 6: Final answer
    x = 6,804.44

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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.