Home / 12,259.98-16,918.56-6,954.66

Finding the Fourth Proportional to 12,259.98, 16,918.56 and 6,954.66

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Solution

The fourth proportional to 12,259.98, 16,918.56 and 6,954.66 is: 9,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.98 : 16,918.56 = 6,954.66 : x
  2. Step 2: Convert to fraction form
    12,259.98/16,918.56 = 6,954.66/x
  3. Step 3: Cross multiply
    12,259.98x = 16,918.56 × 6,954.66
  4. Step 4: Simplify right side
    12,259.98x = 117,662,832.49
  5. Step 5: Solve for x
    x = 117,662,832.49/12,259.98
  6. Step 6: Final answer
    x = 9,597.31

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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.