Home / 12,400.23-17,116.11-7,365.27

Finding the Fourth Proportional to 12,400.23, 17,116.11 and 7,365.27

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Solution

The fourth proportional to 12,400.23, 17,116.11 and 7,365.27 is: 10,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.23 : 17,116.11 = 7,365.27 : x
  2. Step 2: Convert to fraction form
    12,400.23/17,116.11 = 7,365.27/x
  3. Step 3: Cross multiply
    12,400.23x = 17,116.11 × 7,365.27
  4. Step 4: Simplify right side
    12,400.23x = 126,064,771.50
  5. Step 5: Solve for x
    x = 126,064,771.50/12,400.23
  6. Step 6: Final answer
    x = 10,166.33

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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.