Home / 11,146.51-16,718.40-6,469.06

Finding the Fourth Proportional to 11,146.51, 16,718.40 and 6,469.06

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Solution

The fourth proportional to 11,146.51, 16,718.40 and 6,469.06 is: 9,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.51 : 16,718.40 = 6,469.06 : x
  2. Step 2: Convert to fraction form
    11,146.51/16,718.40 = 6,469.06/x
  3. Step 3: Cross multiply
    11,146.51x = 16,718.40 × 6,469.06
  4. Step 4: Simplify right side
    11,146.51x = 108,152,342.15
  5. Step 5: Solve for x
    x = 108,152,342.15/11,146.51
  6. Step 6: Final answer
    x = 9,702.80

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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.