Home / 7,833.12-11,750.37-2,902.80

Finding the Fourth Proportional to 7,833.12, 11,750.37 and 2,902.80

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Solution

The fourth proportional to 7,833.12, 11,750.37 and 2,902.80 is: 4,354.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.12 : 11,750.37 = 2,902.80 : x
  2. Step 2: Convert to fraction form
    7,833.12/11,750.37 = 2,902.80/x
  3. Step 3: Cross multiply
    7,833.12x = 11,750.37 × 2,902.80
  4. Step 4: Simplify right side
    7,833.12x = 34,109,007.21
  5. Step 5: Solve for x
    x = 34,109,007.21/7,833.12
  6. Step 6: Final answer
    x = 4,354.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.