Home / 8,152.54-12,215.30-7,471.60

Finding the Fourth Proportional to 8,152.54, 12,215.30 and 7,471.60

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Solution

The fourth proportional to 8,152.54, 12,215.30 and 7,471.60 is: 11,195.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.54 : 12,215.30 = 7,471.60 : x
  2. Step 2: Convert to fraction form
    8,152.54/12,215.30 = 7,471.60/x
  3. Step 3: Cross multiply
    8,152.54x = 12,215.30 × 7,471.60
  4. Step 4: Simplify right side
    8,152.54x = 91,267,798.12
  5. Step 5: Solve for x
    x = 91,267,798.12/8,152.54
  6. Step 6: Final answer
    x = 11,195.01

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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.