Home / 9,973.40-13,769.19-8,866.33

Finding the Fourth Proportional to 9,973.40, 13,769.19 and 8,866.33

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Solution

The fourth proportional to 9,973.40, 13,769.19 and 8,866.33 is: 12,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,973.40 : 13,769.19 = 8,866.33 : x
  2. Step 2: Convert to fraction form
    9,973.40/13,769.19 = 8,866.33/x
  3. Step 3: Cross multiply
    9,973.40x = 13,769.19 × 8,866.33
  4. Step 4: Simplify right side
    9,973.40x = 122,082,147.95
  5. Step 5: Solve for x
    x = 122,082,147.95/9,973.40
  6. Step 6: Final answer
    x = 12,240.78

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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.