Home / 11,656.60-16,085.91-6,351.46

Finding the Fourth Proportional to 11,656.60, 16,085.91 and 6,351.46

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Solution

The fourth proportional to 11,656.60, 16,085.91 and 6,351.46 is: 8,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.60 : 16,085.91 = 6,351.46 : x
  2. Step 2: Convert to fraction form
    11,656.60/16,085.91 = 6,351.46/x
  3. Step 3: Cross multiply
    11,656.60x = 16,085.91 × 6,351.46
  4. Step 4: Simplify right side
    11,656.60x = 102,169,013.93
  5. Step 5: Solve for x
    x = 102,169,013.93/11,656.60
  6. Step 6: Final answer
    x = 8,764.91

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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.