Home / 12,259.76-16,917.96-6,954.46

Finding the Fourth Proportional to 12,259.76, 16,917.96 and 6,954.46

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Solution

The fourth proportional to 12,259.76, 16,917.96 and 6,954.46 is: 9,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.76 : 16,917.96 = 6,954.46 : x
  2. Step 2: Convert to fraction form
    12,259.76/16,917.96 = 6,954.46/x
  3. Step 3: Cross multiply
    12,259.76x = 16,917.96 × 6,954.46
  4. Step 4: Simplify right side
    12,259.76x = 117,655,259.89
  5. Step 5: Solve for x
    x = 117,655,259.89/12,259.76
  6. Step 6: Final answer
    x = 9,596.87

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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.