Home / 11,645.49-16,070.75-6,340.26

Finding the Fourth Proportional to 11,645.49, 16,070.75 and 6,340.26

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Solution

The fourth proportional to 11,645.49, 16,070.75 and 6,340.26 is: 8,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.49 : 16,070.75 = 6,340.26 : x
  2. Step 2: Convert to fraction form
    11,645.49/16,070.75 = 6,340.26/x
  3. Step 3: Cross multiply
    11,645.49x = 16,070.75 × 6,340.26
  4. Step 4: Simplify right side
    11,645.49x = 101,892,621.34
  5. Step 5: Solve for x
    x = 101,892,621.34/11,645.49
  6. Step 6: Final answer
    x = 8,749.54

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Half scale
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Double scale
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Similar ratio
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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.