Home / 10,255.44-14,148.71-6,005.78

Finding the Fourth Proportional to 10,255.44, 14,148.71 and 6,005.78

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Solution

The fourth proportional to 10,255.44, 14,148.71 and 6,005.78 is: 8,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.44 : 14,148.71 = 6,005.78 : x
  2. Step 2: Convert to fraction form
    10,255.44/14,148.71 = 6,005.78/x
  3. Step 3: Cross multiply
    10,255.44x = 14,148.71 × 6,005.78
  4. Step 4: Simplify right side
    10,255.44x = 84,974,039.54
  5. Step 5: Solve for x
    x = 84,974,039.54/10,255.44
  6. Step 6: Final answer
    x = 8,285.75

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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.