Home / 7,567.21-11,347.31-4,187.73

Finding the Fourth Proportional to 7,567.21, 11,347.31 and 4,187.73

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Solution

The fourth proportional to 7,567.21, 11,347.31 and 4,187.73 is: 6,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,567.21 : 11,347.31 = 4,187.73 : x
  2. Step 2: Convert to fraction form
    7,567.21/11,347.31 = 4,187.73/x
  3. Step 3: Cross multiply
    7,567.21x = 11,347.31 × 4,187.73
  4. Step 4: Simplify right side
    7,567.21x = 47,519,470.51
  5. Step 5: Solve for x
    x = 47,519,470.51/7,567.21
  6. Step 6: Final answer
    x = 6,279.66

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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.