Home / 8,269.48-11,408.34-5,081.05

Finding the Fourth Proportional to 8,269.48, 11,408.34 and 5,081.05

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Solution

The fourth proportional to 8,269.48, 11,408.34 and 5,081.05 is: 7,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.48 : 11,408.34 = 5,081.05 : x
  2. Step 2: Convert to fraction form
    8,269.48/11,408.34 = 5,081.05/x
  3. Step 3: Cross multiply
    8,269.48x = 11,408.34 × 5,081.05
  4. Step 4: Simplify right side
    8,269.48x = 57,966,345.96
  5. Step 5: Solve for x
    x = 57,966,345.96/8,269.48
  6. Step 6: Final answer
    x = 7,009.67

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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.