Home / 8,245.72-11,376.06-5,416.60

Finding the Fourth Proportional to 8,245.72, 11,376.06 and 5,416.60

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Solution

The fourth proportional to 8,245.72, 11,376.06 and 5,416.60 is: 7,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.72 : 11,376.06 = 5,416.60 : x
  2. Step 2: Convert to fraction form
    8,245.72/11,376.06 = 5,416.60/x
  3. Step 3: Cross multiply
    8,245.72x = 11,376.06 × 5,416.60
  4. Step 4: Simplify right side
    8,245.72x = 61,619,566.60
  5. Step 5: Solve for x
    x = 61,619,566.60/8,245.72
  6. Step 6: Final answer
    x = 7,472.92

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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.