Home / 11,817.18-16,189.47-11,374.02

Finding the Fourth Proportional to 11,817.18, 16,189.47 and 11,374.02

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Solution

The fourth proportional to 11,817.18, 16,189.47 and 11,374.02 is: 15,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.18 : 16,189.47 = 11,374.02 : x
  2. Step 2: Convert to fraction form
    11,817.18/16,189.47 = 11,374.02/x
  3. Step 3: Cross multiply
    11,817.18x = 16,189.47 × 11,374.02
  4. Step 4: Simplify right side
    11,817.18x = 184,139,355.57
  5. Step 5: Solve for x
    x = 184,139,355.57/11,817.18
  6. Step 6: Final answer
    x = 15,582.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.