Home / 11,688.52-16,130.22-6,383.02

Finding the Fourth Proportional to 11,688.52, 16,130.22 and 6,383.02

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Solution

The fourth proportional to 11,688.52, 16,130.22 and 6,383.02 is: 8,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.52 : 16,130.22 = 6,383.02 : x
  2. Step 2: Convert to fraction form
    11,688.52/16,130.22 = 6,383.02/x
  3. Step 3: Cross multiply
    11,688.52x = 16,130.22 × 6,383.02
  4. Step 4: Simplify right side
    11,688.52x = 102,959,516.86
  5. Step 5: Solve for x
    x = 102,959,516.86/11,688.52
  6. Step 6: Final answer
    x = 8,808.60

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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.