Home / 11,914.76-16,409.08-11,656.47

Finding the Fourth Proportional to 11,914.76, 16,409.08 and 11,656.47

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Solution

The fourth proportional to 11,914.76, 16,409.08 and 11,656.47 is: 16,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.76 : 16,409.08 = 11,656.47 : x
  2. Step 2: Convert to fraction form
    11,914.76/16,409.08 = 11,656.47/x
  3. Step 3: Cross multiply
    11,914.76x = 16,409.08 × 11,656.47
  4. Step 4: Simplify right side
    11,914.76x = 191,272,024.85
  5. Step 5: Solve for x
    x = 191,272,024.85/11,914.76
  6. Step 6: Final answer
    x = 16,053.36

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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.