Home / 8,015.74-11,060.37-4,478.98

Finding the Fourth Proportional to 8,015.74, 11,060.37 and 4,478.98

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Solution

The fourth proportional to 8,015.74, 11,060.37 and 4,478.98 is: 6,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.74 : 11,060.37 = 4,478.98 : x
  2. Step 2: Convert to fraction form
    8,015.74/11,060.37 = 4,478.98/x
  3. Step 3: Cross multiply
    8,015.74x = 11,060.37 × 4,478.98
  4. Step 4: Simplify right side
    8,015.74x = 49,539,176.02
  5. Step 5: Solve for x
    x = 49,539,176.02/8,015.74
  6. Step 6: Final answer
    x = 6,180.24

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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.