Home / 11,210.32-16,815.44-5,363.72

Finding the Fourth Proportional to 11,210.32, 16,815.44 and 5,363.72

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Solution

The fourth proportional to 11,210.32, 16,815.44 and 5,363.72 is: 8,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.32 : 16,815.44 = 5,363.72 : x
  2. Step 2: Convert to fraction form
    11,210.32/16,815.44 = 5,363.72/x
  3. Step 3: Cross multiply
    11,210.32x = 16,815.44 × 5,363.72
  4. Step 4: Simplify right side
    11,210.32x = 90,193,311.84
  5. Step 5: Solve for x
    x = 90,193,311.84/11,210.32
  6. Step 6: Final answer
    x = 8,045.56

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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.