Home / 6,720.12-9,247.19-6,091.34

Finding the Fourth Proportional to 6,720.12, 9,247.19 and 6,091.34

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Solution

The fourth proportional to 6,720.12, 9,247.19 and 6,091.34 is: 8,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.12 : 9,247.19 = 6,091.34 : x
  2. Step 2: Convert to fraction form
    6,720.12/9,247.19 = 6,091.34/x
  3. Step 3: Cross multiply
    6,720.12x = 9,247.19 × 6,091.34
  4. Step 4: Simplify right side
    6,720.12x = 56,327,701.64
  5. Step 5: Solve for x
    x = 56,327,701.64/6,720.12
  6. Step 6: Final answer
    x = 8,381.95

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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.