Home / 8,558.10-11,806.74-5,199.66

Finding the Fourth Proportional to 8,558.10, 11,806.74 and 5,199.66

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Solution

The fourth proportional to 8,558.10, 11,806.74 and 5,199.66 is: 7,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.10 : 11,806.74 = 5,199.66 : x
  2. Step 2: Convert to fraction form
    8,558.10/11,806.74 = 5,199.66/x
  3. Step 3: Cross multiply
    8,558.10x = 11,806.74 × 5,199.66
  4. Step 4: Simplify right side
    8,558.10x = 61,391,033.71
  5. Step 5: Solve for x
    x = 61,391,033.71/8,558.10
  6. Step 6: Final answer
    x = 7,173.44

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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.