Home / 9,777.11-13,493.72-5,999.58

Finding the Fourth Proportional to 9,777.11, 13,493.72 and 5,999.58

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Solution

The fourth proportional to 9,777.11, 13,493.72 and 5,999.58 is: 8,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777.11 : 13,493.72 = 5,999.58 : x
  2. Step 2: Convert to fraction form
    9,777.11/13,493.72 = 5,999.58/x
  3. Step 3: Cross multiply
    9,777.11x = 13,493.72 × 5,999.58
  4. Step 4: Simplify right side
    9,777.11x = 80,956,652.64
  5. Step 5: Solve for x
    x = 80,956,652.64/9,777.11
  6. Step 6: Final answer
    x = 8,280.22

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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.