Home / 11,909.52-16,435.02-6,873.28

Finding the Fourth Proportional to 11,909.52, 16,435.02 and 6,873.28

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Solution

The fourth proportional to 11,909.52, 16,435.02 and 6,873.28 is: 9,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.52 : 16,435.02 = 6,873.28 : x
  2. Step 2: Convert to fraction form
    11,909.52/16,435.02 = 6,873.28/x
  3. Step 3: Cross multiply
    11,909.52x = 16,435.02 × 6,873.28
  4. Step 4: Simplify right side
    11,909.52x = 112,962,494.27
  5. Step 5: Solve for x
    x = 112,962,494.27/11,909.52
  6. Step 6: Final answer
    x = 9,485.06

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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.