Home / 9,518.50-13,141.29-6,212.26

Finding the Fourth Proportional to 9,518.50, 13,141.29 and 6,212.26

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Solution

The fourth proportional to 9,518.50, 13,141.29 and 6,212.26 is: 8,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.50 : 13,141.29 = 6,212.26 : x
  2. Step 2: Convert to fraction form
    9,518.50/13,141.29 = 6,212.26/x
  3. Step 3: Cross multiply
    9,518.50x = 13,141.29 × 6,212.26
  4. Step 4: Simplify right side
    9,518.50x = 81,637,110.22
  5. Step 5: Solve for x
    x = 81,637,110.22/9,518.50
  6. Step 6: Final answer
    x = 8,576.68

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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.