Home / 11,227.76-15,493.50-6,984.98

Finding the Fourth Proportional to 11,227.76, 15,493.50 and 6,984.98

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Solution

The fourth proportional to 11,227.76, 15,493.50 and 6,984.98 is: 9,638.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.76 : 15,493.50 = 6,984.98 : x
  2. Step 2: Convert to fraction form
    11,227.76/15,493.50 = 6,984.98/x
  3. Step 3: Cross multiply
    11,227.76x = 15,493.50 × 6,984.98
  4. Step 4: Simplify right side
    11,227.76x = 108,221,710.16
  5. Step 5: Solve for x
    x = 108,221,710.16/11,227.76
  6. Step 6: Final answer
    x = 9,638.77

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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.