Home / 8,311.25-11,469.53-4,585.25

Finding the Fourth Proportional to 8,311.25, 11,469.53 and 4,585.25

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Solution

The fourth proportional to 8,311.25, 11,469.53 and 4,585.25 is: 6,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.25 : 11,469.53 = 4,585.25 : x
  2. Step 2: Convert to fraction form
    8,311.25/11,469.53 = 4,585.25/x
  3. Step 3: Cross multiply
    8,311.25x = 11,469.53 × 4,585.25
  4. Step 4: Simplify right side
    8,311.25x = 52,590,639.51
  5. Step 5: Solve for x
    x = 52,590,639.51/8,311.25
  6. Step 6: Final answer
    x = 6,327.65

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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.