Home / 11,407.06-15,741.57-6,371.35

Finding the Fourth Proportional to 11,407.06, 15,741.57 and 6,371.35

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Solution

The fourth proportional to 11,407.06, 15,741.57 and 6,371.35 is: 8,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.06 : 15,741.57 = 6,371.35 : x
  2. Step 2: Convert to fraction form
    11,407.06/15,741.57 = 6,371.35/x
  3. Step 3: Cross multiply
    11,407.06x = 15,741.57 × 6,371.35
  4. Step 4: Simplify right side
    11,407.06x = 100,295,018.64
  5. Step 5: Solve for x
    x = 100,295,018.64/11,407.06
  6. Step 6: Final answer
    x = 8,792.37

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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.