Home / 11,709.40-16,160.52-6,675.44

Finding the Fourth Proportional to 11,709.40, 16,160.52 and 6,675.44

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Solution

The fourth proportional to 11,709.40, 16,160.52 and 6,675.44 is: 9,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.40 : 16,160.52 = 6,675.44 : x
  2. Step 2: Convert to fraction form
    11,709.40/16,160.52 = 6,675.44/x
  3. Step 3: Cross multiply
    11,709.40x = 16,160.52 × 6,675.44
  4. Step 4: Simplify right side
    11,709.40x = 107,878,581.63
  5. Step 5: Solve for x
    x = 107,878,581.63/11,709.40
  6. Step 6: Final answer
    x = 9,212.99

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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.