Home / 11,673.15-16,110.30-6,499.55

Finding the Fourth Proportional to 11,673.15, 16,110.30 and 6,499.55

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Solution

The fourth proportional to 11,673.15, 16,110.30 and 6,499.55 is: 8,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.15 : 16,110.30 = 6,499.55 : x
  2. Step 2: Convert to fraction form
    11,673.15/16,110.30 = 6,499.55/x
  3. Step 3: Cross multiply
    11,673.15x = 16,110.30 × 6,499.55
  4. Step 4: Simplify right side
    11,673.15x = 104,709,700.37
  5. Step 5: Solve for x
    x = 104,709,700.37/11,673.15
  6. Step 6: Final answer
    x = 8,970.13

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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.