Home / 7,845.72-11,764.99-4,684.60

Finding the Fourth Proportional to 7,845.72, 11,764.99 and 4,684.60

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Solution

The fourth proportional to 7,845.72, 11,764.99 and 4,684.60 is: 7,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.72 : 11,764.99 = 4,684.60 : x
  2. Step 2: Convert to fraction form
    7,845.72/11,764.99 = 4,684.60/x
  3. Step 3: Cross multiply
    7,845.72x = 11,764.99 × 4,684.60
  4. Step 4: Simplify right side
    7,845.72x = 55,114,242.74
  5. Step 5: Solve for x
    x = 55,114,242.74/7,845.72
  6. Step 6: Final answer
    x = 7,024.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.