Home / 8,580.09-11,841.36-5,223.12

Finding the Fourth Proportional to 8,580.09, 11,841.36 and 5,223.12

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Solution

The fourth proportional to 8,580.09, 11,841.36 and 5,223.12 is: 7,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.09 : 11,841.36 = 5,223.12 : x
  2. Step 2: Convert to fraction form
    8,580.09/11,841.36 = 5,223.12/x
  3. Step 3: Cross multiply
    8,580.09x = 11,841.36 × 5,223.12
  4. Step 4: Simplify right side
    8,580.09x = 61,848,844.24
  5. Step 5: Solve for x
    x = 61,848,844.24/8,580.09
  6. Step 6: Final answer
    x = 7,208.41

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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.