Home / 8,133.48-12,200.31-2,587.01

Finding the Fourth Proportional to 8,133.48, 12,200.31 and 2,587.01

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Solution

The fourth proportional to 8,133.48, 12,200.31 and 2,587.01 is: 3,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.48 : 12,200.31 = 2,587.01 : x
  2. Step 2: Convert to fraction form
    8,133.48/12,200.31 = 2,587.01/x
  3. Step 3: Cross multiply
    8,133.48x = 12,200.31 × 2,587.01
  4. Step 4: Simplify right side
    8,133.48x = 31,562,262.97
  5. Step 5: Solve for x
    x = 31,562,262.97/8,133.48
  6. Step 6: Final answer
    x = 3,880.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.