Home / 8,055.15-11,116.56-4,518.28

Finding the Fourth Proportional to 8,055.15, 11,116.56 and 4,518.28

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Solution

The fourth proportional to 8,055.15, 11,116.56 and 4,518.28 is: 6,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.15 : 11,116.56 = 4,518.28 : x
  2. Step 2: Convert to fraction form
    8,055.15/11,116.56 = 4,518.28/x
  3. Step 3: Cross multiply
    8,055.15x = 11,116.56 × 4,518.28
  4. Step 4: Simplify right side
    8,055.15x = 50,227,730.72
  5. Step 5: Solve for x
    x = 50,227,730.72/8,055.15
  6. Step 6: Final answer
    x = 6,235.48

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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.