Home / 6,823.14-9,412.83-4,170

Finding the Fourth Proportional to 6,823.14, 9,412.83 and 4,170

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Solution

The fourth proportional to 6,823.14, 9,412.83 and 4,170 is: 5,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.14 : 9,412.83 = 4,170 : x
  2. Step 2: Convert to fraction form
    6,823.14/9,412.83 = 4,170/x
  3. Step 3: Cross multiply
    6,823.14x = 9,412.83 × 4,170
  4. Step 4: Simplify right side
    6,823.14x = 39,251,501.10
  5. Step 5: Solve for x
    x = 39,251,501.10/6,823.14
  6. Step 6: Final answer
    x = 5,752.70

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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.