Home / 8,354.48-12,533.33-2,807.90

Finding the Fourth Proportional to 8,354.48, 12,533.33 and 2,807.90

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Solution

The fourth proportional to 8,354.48, 12,533.33 and 2,807.90 is: 4,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.48 : 12,533.33 = 2,807.90 : x
  2. Step 2: Convert to fraction form
    8,354.48/12,533.33 = 2,807.90/x
  3. Step 3: Cross multiply
    8,354.48x = 12,533.33 × 2,807.90
  4. Step 4: Simplify right side
    8,354.48x = 35,192,260.60
  5. Step 5: Solve for x
    x = 35,192,260.60/8,354.48
  6. Step 6: Final answer
    x = 4,212.38

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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.