Home / 8,291.32-11,442.30-4,514.63

Finding the Fourth Proportional to 8,291.32, 11,442.30 and 4,514.63

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Solution

The fourth proportional to 8,291.32, 11,442.30 and 4,514.63 is: 6,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.32 : 11,442.30 = 4,514.63 : x
  2. Step 2: Convert to fraction form
    8,291.32/11,442.30 = 4,514.63/x
  3. Step 3: Cross multiply
    8,291.32x = 11,442.30 × 4,514.63
  4. Step 4: Simplify right side
    8,291.32x = 51,657,705.31
  5. Step 5: Solve for x
    x = 51,657,705.31/8,291.32
  6. Step 6: Final answer
    x = 6,230.34

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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.