Home / 8,731.84-12,041.67-6,739.24

Finding the Fourth Proportional to 8,731.84, 12,041.67 and 6,739.24

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Solution

The fourth proportional to 8,731.84, 12,041.67 and 6,739.24 is: 9,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.84 : 12,041.67 = 6,739.24 : x
  2. Step 2: Convert to fraction form
    8,731.84/12,041.67 = 6,739.24/x
  3. Step 3: Cross multiply
    8,731.84x = 12,041.67 × 6,739.24
  4. Step 4: Simplify right side
    8,731.84x = 81,151,704.13
  5. Step 5: Solve for x
    x = 81,151,704.13/8,731.84
  6. Step 6: Final answer
    x = 9,293.77

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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.