Home / 8,005.48-12,025.56-6,775.36

Finding the Fourth Proportional to 8,005.48, 12,025.56 and 6,775.36

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Solution

The fourth proportional to 8,005.48, 12,025.56 and 6,775.36 is: 10,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.48 : 12,025.56 = 6,775.36 : x
  2. Step 2: Convert to fraction form
    8,005.48/12,025.56 = 6,775.36/x
  3. Step 3: Cross multiply
    8,005.48x = 12,025.56 × 6,775.36
  4. Step 4: Simplify right side
    8,005.48x = 81,477,498.20
  5. Step 5: Solve for x
    x = 81,477,498.20/8,005.48
  6. Step 6: Final answer
    x = 10,177.72

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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.