Home / 11,016.34-15,202.14-5,980.45

Finding the Fourth Proportional to 11,016.34, 15,202.14 and 5,980.45

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Solution

The fourth proportional to 11,016.34, 15,202.14 and 5,980.45 is: 8,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016.34 : 15,202.14 = 5,980.45 : x
  2. Step 2: Convert to fraction form
    11,016.34/15,202.14 = 5,980.45/x
  3. Step 3: Cross multiply
    11,016.34x = 15,202.14 × 5,980.45
  4. Step 4: Simplify right side
    11,016.34x = 90,915,638.16
  5. Step 5: Solve for x
    x = 90,915,638.16/11,016.34
  6. Step 6: Final answer
    x = 8,252.80

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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.