Home / 8,325.32-11,490.20-4,788.30

Finding the Fourth Proportional to 8,325.32, 11,490.20 and 4,788.30

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Solution

The fourth proportional to 8,325.32, 11,490.20 and 4,788.30 is: 6,608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.32 : 11,490.20 = 4,788.30 : x
  2. Step 2: Convert to fraction form
    8,325.32/11,490.20 = 4,788.30/x
  3. Step 3: Cross multiply
    8,325.32x = 11,490.20 × 4,788.30
  4. Step 4: Simplify right side
    8,325.32x = 55,018,500.72
  5. Step 5: Solve for x
    x = 55,018,500.72/8,325.32
  6. Step 6: Final answer
    x = 6,608.58

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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.