Home / 7,828.92-11,735.46-4,909.26

Finding the Fourth Proportional to 7,828.92, 11,735.46 and 4,909.26

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Solution

The fourth proportional to 7,828.92, 11,735.46 and 4,909.26 is: 7,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.92 : 11,735.46 = 4,909.26 : x
  2. Step 2: Convert to fraction form
    7,828.92/11,735.46 = 4,909.26/x
  3. Step 3: Cross multiply
    7,828.92x = 11,735.46 × 4,909.26
  4. Step 4: Simplify right side
    7,828.92x = 57,612,424.36
  5. Step 5: Solve for x
    x = 57,612,424.36/7,828.92
  6. Step 6: Final answer
    x = 7,358.92

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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.