Home / 8,285.90-11,434.79-4,509.33

Finding the Fourth Proportional to 8,285.90, 11,434.79 and 4,509.33

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Solution

The fourth proportional to 8,285.90, 11,434.79 and 4,509.33 is: 6,223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.90 : 11,434.79 = 4,509.33 : x
  2. Step 2: Convert to fraction form
    8,285.90/11,434.79 = 4,509.33/x
  3. Step 3: Cross multiply
    8,285.90x = 11,434.79 × 4,509.33
  4. Step 4: Simplify right side
    8,285.90x = 51,563,241.59
  5. Step 5: Solve for x
    x = 51,563,241.59/8,285.90
  6. Step 6: Final answer
    x = 6,223.01

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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.