Home / 8,445.24-11,651.58-4,905.54

Finding the Fourth Proportional to 8,445.24, 11,651.58 and 4,905.54

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Solution

The fourth proportional to 8,445.24, 11,651.58 and 4,905.54 is: 6,767.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.24 : 11,651.58 = 4,905.54 : x
  2. Step 2: Convert to fraction form
    8,445.24/11,651.58 = 4,905.54/x
  3. Step 3: Cross multiply
    8,445.24x = 11,651.58 × 4,905.54
  4. Step 4: Simplify right side
    8,445.24x = 57,157,291.75
  5. Step 5: Solve for x
    x = 57,157,291.75/8,445.24
  6. Step 6: Final answer
    x = 6,767.99

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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.