Home / 11,190.48-15,436.42-6,711.63

Finding the Fourth Proportional to 11,190.48, 15,436.42 and 6,711.63

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Solution

The fourth proportional to 11,190.48, 15,436.42 and 6,711.63 is: 9,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.48 : 15,436.42 = 6,711.63 : x
  2. Step 2: Convert to fraction form
    11,190.48/15,436.42 = 6,711.63/x
  3. Step 3: Cross multiply
    11,190.48x = 15,436.42 × 6,711.63
  4. Step 4: Simplify right side
    11,190.48x = 103,603,522.79
  5. Step 5: Solve for x
    x = 103,603,522.79/11,190.48
  6. Step 6: Final answer
    x = 9,258.18

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Double scale
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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.