Home / 12,257.03-16,897.88-11,011.52

Finding the Fourth Proportional to 12,257.03, 16,897.88 and 11,011.52

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Solution

The fourth proportional to 12,257.03, 16,897.88 and 11,011.52 is: 15,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.03 : 16,897.88 = 11,011.52 : x
  2. Step 2: Convert to fraction form
    12,257.03/16,897.88 = 11,011.52/x
  3. Step 3: Cross multiply
    12,257.03x = 16,897.88 × 11,011.52
  4. Step 4: Simplify right side
    12,257.03x = 186,071,204.03
  5. Step 5: Solve for x
    x = 186,071,204.03/12,257.03
  6. Step 6: Final answer
    x = 15,180.78

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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.