Home / 7,817.10-10,786.38-4,833.90

Finding the Fourth Proportional to 7,817.10, 10,786.38 and 4,833.90

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Solution

The fourth proportional to 7,817.10, 10,786.38 and 4,833.90 is: 6,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.10 : 10,786.38 = 4,833.90 : x
  2. Step 2: Convert to fraction form
    7,817.10/10,786.38 = 4,833.90/x
  3. Step 3: Cross multiply
    7,817.10x = 10,786.38 × 4,833.90
  4. Step 4: Simplify right side
    7,817.10x = 52,140,282.28
  5. Step 5: Solve for x
    x = 52,140,282.28/7,817.10
  6. Step 6: Final answer
    x = 6,670.03

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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.