Home / 11,485.48-15,847.98-6,770.68

Finding the Fourth Proportional to 11,485.48, 15,847.98 and 6,770.68

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Solution

The fourth proportional to 11,485.48, 15,847.98 and 6,770.68 is: 9,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.48 : 15,847.98 = 6,770.68 : x
  2. Step 2: Convert to fraction form
    11,485.48/15,847.98 = 6,770.68/x
  3. Step 3: Cross multiply
    11,485.48x = 15,847.98 × 6,770.68
  4. Step 4: Simplify right side
    11,485.48x = 107,301,601.23
  5. Step 5: Solve for x
    x = 107,301,601.23/11,485.48
  6. Step 6: Final answer
    x = 9,342.37

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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.