Home / 9,829.12-13,566.96-6,474.48

Finding the Fourth Proportional to 9,829.12, 13,566.96 and 6,474.48

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Solution

The fourth proportional to 9,829.12, 13,566.96 and 6,474.48 is: 8,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.12 : 13,566.96 = 6,474.48 : x
  2. Step 2: Convert to fraction form
    9,829.12/13,566.96 = 6,474.48/x
  3. Step 3: Cross multiply
    9,829.12x = 13,566.96 × 6,474.48
  4. Step 4: Simplify right side
    9,829.12x = 87,839,011.18
  5. Step 5: Solve for x
    x = 87,839,011.18/9,829.12
  6. Step 6: Final answer
    x = 8,936.61

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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.