Home / 7,416.48-10,234.80-4,622

Finding the Fourth Proportional to 7,416.48, 10,234.80 and 4,622

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Solution

The fourth proportional to 7,416.48, 10,234.80 and 4,622 is: 6,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.48 : 10,234.80 = 4,622 : x
  2. Step 2: Convert to fraction form
    7,416.48/10,234.80 = 4,622/x
  3. Step 3: Cross multiply
    7,416.48x = 10,234.80 × 4,622
  4. Step 4: Simplify right side
    7,416.48x = 47,305,245.60
  5. Step 5: Solve for x
    x = 47,305,245.60/7,416.48
  6. Step 6: Final answer
    x = 6,378.40

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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.