Home / 8,107.02-11,187.56-4,751.54

Finding the Fourth Proportional to 8,107.02, 11,187.56 and 4,751.54

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Solution

The fourth proportional to 8,107.02, 11,187.56 and 4,751.54 is: 6,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.02 : 11,187.56 = 4,751.54 : x
  2. Step 2: Convert to fraction form
    8,107.02/11,187.56 = 4,751.54/x
  3. Step 3: Cross multiply
    8,107.02x = 11,187.56 × 4,751.54
  4. Step 4: Simplify right side
    8,107.02x = 53,158,138.84
  5. Step 5: Solve for x
    x = 53,158,138.84/8,107.02
  6. Step 6: Final answer
    x = 6,557.05

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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.