Home / 11,803.95-16,289.45-6,498.76

Finding the Fourth Proportional to 11,803.95, 16,289.45 and 6,498.76

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Solution

The fourth proportional to 11,803.95, 16,289.45 and 6,498.76 is: 8,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.95 : 16,289.45 = 6,498.76 : x
  2. Step 2: Convert to fraction form
    11,803.95/16,289.45 = 6,498.76/x
  3. Step 3: Cross multiply
    11,803.95x = 16,289.45 × 6,498.76
  4. Step 4: Simplify right side
    11,803.95x = 105,861,226.08
  5. Step 5: Solve for x
    x = 105,861,226.08/11,803.95
  6. Step 6: Final answer
    x = 8,968.29

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Half scale
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Double scale
Find fourth proportional to 11,804.95, 16,290.83 and 6,499.76
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.