Home / 12,090.48-18,096.84-6,239.12

Finding the Fourth Proportional to 12,090.48, 18,096.84 and 6,239.12

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Solution

The fourth proportional to 12,090.48, 18,096.84 and 6,239.12 is: 9,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090.48 : 18,096.84 = 6,239.12 : x
  2. Step 2: Convert to fraction form
    12,090.48/18,096.84 = 6,239.12/x
  3. Step 3: Cross multiply
    12,090.48x = 18,096.84 × 6,239.12
  4. Step 4: Simplify right side
    12,090.48x = 112,908,356.38
  5. Step 5: Solve for x
    x = 112,908,356.38/12,090.48
  6. Step 6: Final answer
    x = 9,338.62

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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.