Home / 11,055.46-15,257.61-8,256.10

Finding the Fourth Proportional to 11,055.46, 15,257.61 and 8,256.10

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Solution

The fourth proportional to 11,055.46, 15,257.61 and 8,256.10 is: 11,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.46 : 15,257.61 = 8,256.10 : x
  2. Step 2: Convert to fraction form
    11,055.46/15,257.61 = 8,256.10/x
  3. Step 3: Cross multiply
    11,055.46x = 15,257.61 × 8,256.10
  4. Step 4: Simplify right side
    11,055.46x = 125,968,353.92
  5. Step 5: Solve for x
    x = 125,968,353.92/11,055.46
  6. Step 6: Final answer
    x = 11,394.22

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Half scale
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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.