Home / 11,718.98-16,170.58-7,002.26

Finding the Fourth Proportional to 11,718.98, 16,170.58 and 7,002.26

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Solution

The fourth proportional to 11,718.98, 16,170.58 and 7,002.26 is: 9,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.98 : 16,170.58 = 7,002.26 : x
  2. Step 2: Convert to fraction form
    11,718.98/16,170.58 = 7,002.26/x
  3. Step 3: Cross multiply
    11,718.98x = 16,170.58 × 7,002.26
  4. Step 4: Simplify right side
    11,718.98x = 113,230,605.51
  5. Step 5: Solve for x
    x = 113,230,605.51/11,718.98
  6. Step 6: Final answer
    x = 9,662.16

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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.