Home / 7,785.10-11,676.39-2,237.18

Finding the Fourth Proportional to 7,785.10, 11,676.39 and 2,237.18

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Solution

The fourth proportional to 7,785.10, 11,676.39 and 2,237.18 is: 3,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.10 : 11,676.39 = 2,237.18 : x
  2. Step 2: Convert to fraction form
    7,785.10/11,676.39 = 2,237.18/x
  3. Step 3: Cross multiply
    7,785.10x = 11,676.39 × 2,237.18
  4. Step 4: Simplify right side
    7,785.10x = 26,122,127.80
  5. Step 5: Solve for x
    x = 26,122,127.80/7,785.10
  6. Step 6: Final answer
    x = 3,355.40

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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.