Home / 8,518.08-11,751.62-6,285.32

Finding the Fourth Proportional to 8,518.08, 11,751.62 and 6,285.32

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Solution

The fourth proportional to 8,518.08, 11,751.62 and 6,285.32 is: 8,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.08 : 11,751.62 = 6,285.32 : x
  2. Step 2: Convert to fraction form
    8,518.08/11,751.62 = 6,285.32/x
  3. Step 3: Cross multiply
    8,518.08x = 11,751.62 × 6,285.32
  4. Step 4: Simplify right side
    8,518.08x = 73,862,692.22
  5. Step 5: Solve for x
    x = 73,862,692.22/8,518.08
  6. Step 6: Final answer
    x = 8,671.28

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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.