Home / 8,148.02-11,231.99-6,376.54

Finding the Fourth Proportional to 8,148.02, 11,231.99 and 6,376.54

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Solution

The fourth proportional to 8,148.02, 11,231.99 and 6,376.54 is: 8,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.02 : 11,231.99 = 6,376.54 : x
  2. Step 2: Convert to fraction form
    8,148.02/11,231.99 = 6,376.54/x
  3. Step 3: Cross multiply
    8,148.02x = 11,231.99 × 6,376.54
  4. Step 4: Simplify right side
    8,148.02x = 71,621,233.51
  5. Step 5: Solve for x
    x = 71,621,233.51/8,148.02
  6. Step 6: Final answer
    x = 8,790.02

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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.