Home / 8,152.32-12,235.47-8,090.96

Finding the Fourth Proportional to 8,152.32, 12,235.47 and 8,090.96

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Solution

The fourth proportional to 8,152.32, 12,235.47 and 8,090.96 is: 12,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.32 : 12,235.47 = 8,090.96 : x
  2. Step 2: Convert to fraction form
    8,152.32/12,235.47 = 8,090.96/x
  3. Step 3: Cross multiply
    8,152.32x = 12,235.47 × 8,090.96
  4. Step 4: Simplify right side
    8,152.32x = 98,996,698.35
  5. Step 5: Solve for x
    x = 98,996,698.35/8,152.32
  6. Step 6: Final answer
    x = 12,143.38

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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.