Home / 11,345.16-16,993.10-6,949.32

Finding the Fourth Proportional to 11,345.16, 16,993.10 and 6,949.32

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Solution

The fourth proportional to 11,345.16, 16,993.10 and 6,949.32 is: 10,408.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.16 : 16,993.10 = 6,949.32 : x
  2. Step 2: Convert to fraction form
    11,345.16/16,993.10 = 6,949.32/x
  3. Step 3: Cross multiply
    11,345.16x = 16,993.10 × 6,949.32
  4. Step 4: Simplify right side
    11,345.16x = 118,090,489.69
  5. Step 5: Solve for x
    x = 118,090,489.69/11,345.16
  6. Step 6: Final answer
    x = 10,408.89

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1.5x scale

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.