Home / 11,403.18-15,736.50-8,051.94

Finding the Fourth Proportional to 11,403.18, 15,736.50 and 8,051.94

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Solution

The fourth proportional to 11,403.18, 15,736.50 and 8,051.94 is: 11,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.18 : 15,736.50 = 8,051.94 : x
  2. Step 2: Convert to fraction form
    11,403.18/15,736.50 = 8,051.94/x
  3. Step 3: Cross multiply
    11,403.18x = 15,736.50 × 8,051.94
  4. Step 4: Simplify right side
    11,403.18x = 126,709,353.81
  5. Step 5: Solve for x
    x = 126,709,353.81/11,403.18
  6. Step 6: Final answer
    x = 11,111.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.