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Finding the Fourth Proportional to 8,039, 11,095.14 and 5,055.28

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Solution

The fourth proportional to 8,039, 11,095.14 and 5,055.28 is: 6,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039 : 11,095.14 = 5,055.28 : x
  2. Step 2: Convert to fraction form
    8,039/11,095.14 = 5,055.28/x
  3. Step 3: Cross multiply
    8,039x = 11,095.14 × 5,055.28
  4. Step 4: Simplify right side
    8,039x = 56,089,039.34
  5. Step 5: Solve for x
    x = 56,089,039.34/8,039
  6. Step 6: Final answer
    x = 6,977.12

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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.