Home / 8,761.37-12,090.63-4,782.48

Finding the Fourth Proportional to 8,761.37, 12,090.63 and 4,782.48

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Solution

The fourth proportional to 8,761.37, 12,090.63 and 4,782.48 is: 6,599.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.37 : 12,090.63 = 4,782.48 : x
  2. Step 2: Convert to fraction form
    8,761.37/12,090.63 = 4,782.48/x
  3. Step 3: Cross multiply
    8,761.37x = 12,090.63 × 4,782.48
  4. Step 4: Simplify right side
    8,761.37x = 57,823,214.93
  5. Step 5: Solve for x
    x = 57,823,214.93/8,761.37
  6. Step 6: Final answer
    x = 6,599.79

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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.