Home / 11,103.48-15,206.13-10,957.68

Finding the Fourth Proportional to 11,103.48, 15,206.13 and 10,957.68

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Solution

The fourth proportional to 11,103.48, 15,206.13 and 10,957.68 is: 15,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.48 : 15,206.13 = 10,957.68 : x
  2. Step 2: Convert to fraction form
    11,103.48/15,206.13 = 10,957.68/x
  3. Step 3: Cross multiply
    11,103.48x = 15,206.13 × 10,957.68
  4. Step 4: Simplify right side
    11,103.48x = 166,623,906.58
  5. Step 5: Solve for x
    x = 166,623,906.58/11,103.48
  6. Step 6: Final answer
    x = 15,006.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.