Home / 11,832.16-16,328.43-6,454.72

Finding the Fourth Proportional to 11,832.16, 16,328.43 and 6,454.72

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Solution

The fourth proportional to 11,832.16, 16,328.43 and 6,454.72 is: 8,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.16 : 16,328.43 = 6,454.72 : x
  2. Step 2: Convert to fraction form
    11,832.16/16,328.43 = 6,454.72/x
  3. Step 3: Cross multiply
    11,832.16x = 16,328.43 × 6,454.72
  4. Step 4: Simplify right side
    11,832.16x = 105,395,404.29
  5. Step 5: Solve for x
    x = 105,395,404.29/11,832.16
  6. Step 6: Final answer
    x = 8,907.54

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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.