Home / 11,707.96-16,157.43-6,672.98

Finding the Fourth Proportional to 11,707.96, 16,157.43 and 6,672.98

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Solution

The fourth proportional to 11,707.96, 16,157.43 and 6,672.98 is: 9,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.96 : 16,157.43 = 6,672.98 : x
  2. Step 2: Convert to fraction form
    11,707.96/16,157.43 = 6,672.98/x
  3. Step 3: Cross multiply
    11,707.96x = 16,157.43 × 6,672.98
  4. Step 4: Simplify right side
    11,707.96x = 107,818,126.45
  5. Step 5: Solve for x
    x = 107,818,126.45/11,707.96
  6. Step 6: Final answer
    x = 9,208.96

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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.