Home / 11,803.63-16,288.95-6,498.34

Finding the Fourth Proportional to 11,803.63, 16,288.95 and 6,498.34

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Solution

The fourth proportional to 11,803.63, 16,288.95 and 6,498.34 is: 8,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.63 : 16,288.95 = 6,498.34 : x
  2. Step 2: Convert to fraction form
    11,803.63/16,288.95 = 6,498.34/x
  3. Step 3: Cross multiply
    11,803.63x = 16,288.95 × 6,498.34
  4. Step 4: Simplify right side
    11,803.63x = 105,851,135.34
  5. Step 5: Solve for x
    x = 105,851,135.34/11,803.63
  6. Step 6: Final answer
    x = 8,967.68

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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.