Home / 11,469.93-15,819.37-9,477.03

Finding the Fourth Proportional to 11,469.93, 15,819.37 and 9,477.03

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Solution

The fourth proportional to 11,469.93, 15,819.37 and 9,477.03 is: 13,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.93 : 15,819.37 = 9,477.03 : x
  2. Step 2: Convert to fraction form
    11,469.93/15,819.37 = 9,477.03/x
  3. Step 3: Cross multiply
    11,469.93x = 15,819.37 × 9,477.03
  4. Step 4: Simplify right side
    11,469.93x = 149,920,628.22
  5. Step 5: Solve for x
    x = 149,920,628.22/11,469.93
  6. Step 6: Final answer
    x = 13,070.75

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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.