Home / 12,060.19-18,090.28-3,740

Finding the Fourth Proportional to 12,060.19, 18,090.28 and 3,740

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Solution

The fourth proportional to 12,060.19, 18,090.28 and 3,740 is: 5,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.19 : 18,090.28 = 3,740 : x
  2. Step 2: Convert to fraction form
    12,060.19/18,090.28 = 3,740/x
  3. Step 3: Cross multiply
    12,060.19x = 18,090.28 × 3,740
  4. Step 4: Simplify right side
    12,060.19x = 67,657,647.20
  5. Step 5: Solve for x
    x = 67,657,647.20/12,060.19
  6. Step 6: Final answer
    x = 5,610.00

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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.