Home / 11,845.84-16,347.92-6,540.64

Finding the Fourth Proportional to 11,845.84, 16,347.92 and 6,540.64

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Solution

The fourth proportional to 11,845.84, 16,347.92 and 6,540.64 is: 9,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.84 : 16,347.92 = 6,540.64 : x
  2. Step 2: Convert to fraction form
    11,845.84/16,347.92 = 6,540.64/x
  3. Step 3: Cross multiply
    11,845.84x = 16,347.92 × 6,540.64
  4. Step 4: Simplify right side
    11,845.84x = 106,925,859.47
  5. Step 5: Solve for x
    x = 106,925,859.47/11,845.84
  6. Step 6: Final answer
    x = 9,026.45

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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.