Home / 10,157.12-14,016.64-5,741.12

Finding the Fourth Proportional to 10,157.12, 14,016.64 and 5,741.12

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Solution

The fourth proportional to 10,157.12, 14,016.64 and 5,741.12 is: 7,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.12 : 14,016.64 = 5,741.12 : x
  2. Step 2: Convert to fraction form
    10,157.12/14,016.64 = 5,741.12/x
  3. Step 3: Cross multiply
    10,157.12x = 14,016.64 × 5,741.12
  4. Step 4: Simplify right side
    10,157.12x = 80,471,212.24
  5. Step 5: Solve for x
    x = 80,471,212.24/10,157.12
  6. Step 6: Final answer
    x = 7,922.64

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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.