Home / 11,823.47-16,316.39-6,518.63

Finding the Fourth Proportional to 11,823.47, 16,316.39 and 6,518.63

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Solution

The fourth proportional to 11,823.47, 16,316.39 and 6,518.63 is: 8,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.47 : 16,316.39 = 6,518.63 : x
  2. Step 2: Convert to fraction form
    11,823.47/16,316.39 = 6,518.63/x
  3. Step 3: Cross multiply
    11,823.47x = 16,316.39 × 6,518.63
  4. Step 4: Simplify right side
    11,823.47x = 106,360,437.99
  5. Step 5: Solve for x
    x = 106,360,437.99/11,823.47
  6. Step 6: Final answer
    x = 8,995.71

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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.