Home / 11,805.83-16,292.16-6,500.76

Finding the Fourth Proportional to 11,805.83, 16,292.16 and 6,500.76

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Solution

The fourth proportional to 11,805.83, 16,292.16 and 6,500.76 is: 8,971.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.83 : 16,292.16 = 6,500.76 : x
  2. Step 2: Convert to fraction form
    11,805.83/16,292.16 = 6,500.76/x
  3. Step 3: Cross multiply
    11,805.83x = 16,292.16 × 6,500.76
  4. Step 4: Simplify right side
    11,805.83x = 105,911,360.95
  5. Step 5: Solve for x
    x = 105,911,360.95/11,805.83
  6. Step 6: Final answer
    x = 8,971.11

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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.