Home / 11,554.40-17,331.60-5,709.80

Finding the Fourth Proportional to 11,554.40, 17,331.60 and 5,709.80

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Solution

The fourth proportional to 11,554.40, 17,331.60 and 5,709.80 is: 8,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.40 : 17,331.60 = 5,709.80 : x
  2. Step 2: Convert to fraction form
    11,554.40/17,331.60 = 5,709.80/x
  3. Step 3: Cross multiply
    11,554.40x = 17,331.60 × 5,709.80
  4. Step 4: Simplify right side
    11,554.40x = 98,959,969.68
  5. Step 5: Solve for x
    x = 98,959,969.68/11,554.40
  6. Step 6: Final answer
    x = 8,564.70

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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.