Home / 8,535.15-12,848.83-7,676.89

Finding the Fourth Proportional to 8,535.15, 12,848.83 and 7,676.89

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Solution

The fourth proportional to 8,535.15, 12,848.83 and 7,676.89 is: 11,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.15 : 12,848.83 = 7,676.89 : x
  2. Step 2: Convert to fraction form
    8,535.15/12,848.83 = 7,676.89/x
  3. Step 3: Cross multiply
    8,535.15x = 12,848.83 × 7,676.89
  4. Step 4: Simplify right side
    8,535.15x = 98,639,054.54
  5. Step 5: Solve for x
    x = 98,639,054.54/8,535.15
  6. Step 6: Final answer
    x = 11,556.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.