Home / 11,062.32-15,257.61-7,705.14

Finding the Fourth Proportional to 11,062.32, 15,257.61 and 7,705.14

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Solution

The fourth proportional to 11,062.32, 15,257.61 and 7,705.14 is: 10,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,062.32 : 15,257.61 = 7,705.14 : x
  2. Step 2: Convert to fraction form
    11,062.32/15,257.61 = 7,705.14/x
  3. Step 3: Cross multiply
    11,062.32x = 15,257.61 × 7,705.14
  4. Step 4: Simplify right side
    11,062.32x = 117,562,021.12
  5. Step 5: Solve for x
    x = 117,562,021.12/11,062.32
  6. Step 6: Final answer
    x = 10,627.25

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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.