Home / 11,705.46-16,153.58-6,400.27

Finding the Fourth Proportional to 11,705.46, 16,153.58 and 6,400.27

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Solution

The fourth proportional to 11,705.46, 16,153.58 and 6,400.27 is: 8,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.46 : 16,153.58 = 6,400.27 : x
  2. Step 2: Convert to fraction form
    11,705.46/16,153.58 = 6,400.27/x
  3. Step 3: Cross multiply
    11,705.46x = 16,153.58 × 6,400.27
  4. Step 4: Simplify right side
    11,705.46x = 103,387,273.47
  5. Step 5: Solve for x
    x = 103,387,273.47/11,705.46
  6. Step 6: Final answer
    x = 8,832.40

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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.