Home / 11,121.32-15,347.43-6,085.46

Finding the Fourth Proportional to 11,121.32, 15,347.43 and 6,085.46

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Solution

The fourth proportional to 11,121.32, 15,347.43 and 6,085.46 is: 8,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.32 : 15,347.43 = 6,085.46 : x
  2. Step 2: Convert to fraction form
    11,121.32/15,347.43 = 6,085.46/x
  3. Step 3: Cross multiply
    11,121.32x = 15,347.43 × 6,085.46
  4. Step 4: Simplify right side
    11,121.32x = 93,396,171.37
  5. Step 5: Solve for x
    x = 93,396,171.37/11,121.32
  6. Step 6: Final answer
    x = 8,397.94

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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.