Home / 11,927.76-16,459.67-6,622.25

Finding the Fourth Proportional to 11,927.76, 16,459.67 and 6,622.25

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Solution

The fourth proportional to 11,927.76, 16,459.67 and 6,622.25 is: 9,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.76 : 16,459.67 = 6,622.25 : x
  2. Step 2: Convert to fraction form
    11,927.76/16,459.67 = 6,622.25/x
  3. Step 3: Cross multiply
    11,927.76x = 16,459.67 × 6,622.25
  4. Step 4: Simplify right side
    11,927.76x = 108,999,934.25
  5. Step 5: Solve for x
    x = 108,999,934.25/11,927.76
  6. Step 6: Final answer
    x = 9,138.34

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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.