Home / 8,454.53-11,662.56-4,917.35

Finding the Fourth Proportional to 8,454.53, 11,662.56 and 4,917.35

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Solution

The fourth proportional to 8,454.53, 11,662.56 and 4,917.35 is: 6,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.53 : 11,662.56 = 4,917.35 : x
  2. Step 2: Convert to fraction form
    8,454.53/11,662.56 = 4,917.35/x
  3. Step 3: Cross multiply
    8,454.53x = 11,662.56 × 4,917.35
  4. Step 4: Simplify right side
    8,454.53x = 57,348,889.42
  5. Step 5: Solve for x
    x = 57,348,889.42/8,454.53
  6. Step 6: Final answer
    x = 6,783.21

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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.