Home / 10,736.75-14,820.57-8,091.70

Finding the Fourth Proportional to 10,736.75, 14,820.57 and 8,091.70

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Solution

The fourth proportional to 10,736.75, 14,820.57 and 8,091.70 is: 11,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,736.75 : 14,820.57 = 8,091.70 : x
  2. Step 2: Convert to fraction form
    10,736.75/14,820.57 = 8,091.70/x
  3. Step 3: Cross multiply
    10,736.75x = 14,820.57 × 8,091.70
  4. Step 4: Simplify right side
    10,736.75x = 119,923,569.22
  5. Step 5: Solve for x
    x = 119,923,569.22/10,736.75
  6. Step 6: Final answer
    x = 11,169.45

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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.