Home / 10,257.06-14,138.16-8,015.04

Finding the Fourth Proportional to 10,257.06, 14,138.16 and 8,015.04

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Solution

The fourth proportional to 10,257.06, 14,138.16 and 8,015.04 is: 11,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.06 : 14,138.16 = 8,015.04 : x
  2. Step 2: Convert to fraction form
    10,257.06/14,138.16 = 8,015.04/x
  3. Step 3: Cross multiply
    10,257.06x = 14,138.16 × 8,015.04
  4. Step 4: Simplify right side
    10,257.06x = 113,317,917.93
  5. Step 5: Solve for x
    x = 113,317,917.93/10,257.06
  6. Step 6: Final answer
    x = 11,047.80

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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.