Home / 8,852.67-12,215.66-5,267.79

Finding the Fourth Proportional to 8,852.67, 12,215.66 and 5,267.79

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Solution

The fourth proportional to 8,852.67, 12,215.66 and 5,267.79 is: 7,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.67 : 12,215.66 = 5,267.79 : x
  2. Step 2: Convert to fraction form
    8,852.67/12,215.66 = 5,267.79/x
  3. Step 3: Cross multiply
    8,852.67x = 12,215.66 × 5,267.79
  4. Step 4: Simplify right side
    8,852.67x = 64,349,505.25
  5. Step 5: Solve for x
    x = 64,349,505.25/8,852.67
  6. Step 6: Final answer
    x = 7,268.94

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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.