Home / 11,407.08-15,741.60-6,371.36

Finding the Fourth Proportional to 11,407.08, 15,741.60 and 6,371.36

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Solution

The fourth proportional to 11,407.08, 15,741.60 and 6,371.36 is: 8,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.08 : 15,741.60 = 6,371.36 : x
  2. Step 2: Convert to fraction form
    11,407.08/15,741.60 = 6,371.36/x
  3. Step 3: Cross multiply
    11,407.08x = 15,741.60 × 6,371.36
  4. Step 4: Simplify right side
    11,407.08x = 100,295,400.58
  5. Step 5: Solve for x
    x = 100,295,400.58/11,407.08
  6. Step 6: Final answer
    x = 8,792.38

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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.