Home / 11,984.53-17,970.30-5,403.01

Finding the Fourth Proportional to 11,984.53, 17,970.30 and 5,403.01

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Solution

The fourth proportional to 11,984.53, 17,970.30 and 5,403.01 is: 8,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.53 : 17,970.30 = 5,403.01 : x
  2. Step 2: Convert to fraction form
    11,984.53/17,970.30 = 5,403.01/x
  3. Step 3: Cross multiply
    11,984.53x = 17,970.30 × 5,403.01
  4. Step 4: Simplify right side
    11,984.53x = 97,093,710.60
  5. Step 5: Solve for x
    x = 97,093,710.60/11,984.53
  6. Step 6: Final answer
    x = 8,101.59

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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.