Home / 8,289.16-11,435.11-4,750.36

Finding the Fourth Proportional to 8,289.16, 11,435.11 and 4,750.36

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Solution

The fourth proportional to 8,289.16, 11,435.11 and 4,750.36 is: 6,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.16 : 11,435.11 = 4,750.36 : x
  2. Step 2: Convert to fraction form
    8,289.16/11,435.11 = 4,750.36/x
  3. Step 3: Cross multiply
    8,289.16x = 11,435.11 × 4,750.36
  4. Step 4: Simplify right side
    8,289.16x = 54,320,889.14
  5. Step 5: Solve for x
    x = 54,320,889.14/8,289.16
  6. Step 6: Final answer
    x = 6,553.24

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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.