Home / 7,676.48-11,513.44-2,130.39

Finding the Fourth Proportional to 7,676.48, 11,513.44 and 2,130.39

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Solution

The fourth proportional to 7,676.48, 11,513.44 and 2,130.39 is: 3,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.48 : 11,513.44 = 2,130.39 : x
  2. Step 2: Convert to fraction form
    7,676.48/11,513.44 = 2,130.39/x
  3. Step 3: Cross multiply
    7,676.48x = 11,513.44 × 2,130.39
  4. Step 4: Simplify right side
    7,676.48x = 24,528,117.44
  5. Step 5: Solve for x
    x = 24,528,117.44/7,676.48
  6. Step 6: Final answer
    x = 3,195.23

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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.