Home / 12,157.67-16,777.71-6,852.48

Finding the Fourth Proportional to 12,157.67, 16,777.71 and 6,852.48

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Solution

The fourth proportional to 12,157.67, 16,777.71 and 6,852.48 is: 9,456.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157.67 : 16,777.71 = 6,852.48 : x
  2. Step 2: Convert to fraction form
    12,157.67/16,777.71 = 6,852.48/x
  3. Step 3: Cross multiply
    12,157.67x = 16,777.71 × 6,852.48
  4. Step 4: Simplify right side
    12,157.67x = 114,968,953.68
  5. Step 5: Solve for x
    x = 114,968,953.68/12,157.67
  6. Step 6: Final answer
    x = 9,456.50

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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.