Home / 11,822.36-17,740.45-6,561.80

Finding the Fourth Proportional to 11,822.36, 17,740.45 and 6,561.80

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Solution

The fourth proportional to 11,822.36, 17,740.45 and 6,561.80 is: 9,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.36 : 17,740.45 = 6,561.80 : x
  2. Step 2: Convert to fraction form
    11,822.36/17,740.45 = 6,561.80/x
  3. Step 3: Cross multiply
    11,822.36x = 17,740.45 × 6,561.80
  4. Step 4: Simplify right side
    11,822.36x = 116,409,284.81
  5. Step 5: Solve for x
    x = 116,409,284.81/11,822.36
  6. Step 6: Final answer
    x = 9,846.54

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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.