Home / 8,054.90-11,115.57-4,518.20

Finding the Fourth Proportional to 8,054.90, 11,115.57 and 4,518.20

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Solution

The fourth proportional to 8,054.90, 11,115.57 and 4,518.20 is: 6,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.90 : 11,115.57 = 4,518.20 : x
  2. Step 2: Convert to fraction form
    8,054.90/11,115.57 = 4,518.20/x
  3. Step 3: Cross multiply
    8,054.90x = 11,115.57 × 4,518.20
  4. Step 4: Simplify right side
    8,054.90x = 50,222,312.80
  5. Step 5: Solve for x
    x = 50,222,312.80/8,054.90
  6. Step 6: Final answer
    x = 6,235.01

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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.