Home / 11,039.76-15,235.40-6,324.05

Finding the Fourth Proportional to 11,039.76, 15,235.40 and 6,324.05

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Solution

The fourth proportional to 11,039.76, 15,235.40 and 6,324.05 is: 8,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.76 : 15,235.40 = 6,324.05 : x
  2. Step 2: Convert to fraction form
    11,039.76/15,235.40 = 6,324.05/x
  3. Step 3: Cross multiply
    11,039.76x = 15,235.40 × 6,324.05
  4. Step 4: Simplify right side
    11,039.76x = 96,349,485.27
  5. Step 5: Solve for x
    x = 96,349,485.27/11,039.76
  6. Step 6: Final answer
    x = 8,727.50

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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.