Home / 11,628.88-16,030.92-8,829.52

Finding the Fourth Proportional to 11,628.88, 16,030.92 and 8,829.52

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Solution

The fourth proportional to 11,628.88, 16,030.92 and 8,829.52 is: 12,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.88 : 16,030.92 = 8,829.52 : x
  2. Step 2: Convert to fraction form
    11,628.88/16,030.92 = 8,829.52/x
  3. Step 3: Cross multiply
    11,628.88x = 16,030.92 × 8,829.52
  4. Step 4: Simplify right side
    11,628.88x = 141,545,328.76
  5. Step 5: Solve for x
    x = 141,545,328.76/11,628.88
  6. Step 6: Final answer
    x = 12,171.88

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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.