Home / 8,160.42-11,261.34-4,434.42

Finding the Fourth Proportional to 8,160.42, 11,261.34 and 4,434.42

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Solution

The fourth proportional to 8,160.42, 11,261.34 and 4,434.42 is: 6,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.42 : 11,261.34 = 4,434.42 : x
  2. Step 2: Convert to fraction form
    8,160.42/11,261.34 = 4,434.42/x
  3. Step 3: Cross multiply
    8,160.42x = 11,261.34 × 4,434.42
  4. Step 4: Simplify right side
    8,160.42x = 49,937,511.32
  5. Step 5: Solve for x
    x = 49,937,511.32/8,160.42
  6. Step 6: Final answer
    x = 6,119.48

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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.