Home / 8,166.60-11,270.16-4,629.96

Finding the Fourth Proportional to 8,166.60, 11,270.16 and 4,629.96

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Solution

The fourth proportional to 8,166.60, 11,270.16 and 4,629.96 is: 6,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.60 : 11,270.16 = 4,629.96 : x
  2. Step 2: Convert to fraction form
    8,166.60/11,270.16 = 4,629.96/x
  3. Step 3: Cross multiply
    8,166.60x = 11,270.16 × 4,629.96
  4. Step 4: Simplify right side
    8,166.60x = 52,180,389.99
  5. Step 5: Solve for x
    x = 52,180,389.99/8,166.60
  6. Step 6: Final answer
    x = 6,389.49

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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.