Home / 12,539.24-18,810.54-3,773

Finding the Fourth Proportional to 12,539.24, 18,810.54 and 3,773

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Solution

The fourth proportional to 12,539.24, 18,810.54 and 3,773 is: 5,660.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.24 : 18,810.54 = 3,773 : x
  2. Step 2: Convert to fraction form
    12,539.24/18,810.54 = 3,773/x
  3. Step 3: Cross multiply
    12,539.24x = 18,810.54 × 3,773
  4. Step 4: Simplify right side
    12,539.24x = 70,972,167.42
  5. Step 5: Solve for x
    x = 70,972,167.42/12,539.24
  6. Step 6: Final answer
    x = 5,660.01

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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.