Home / 11,927.19-16,459.71-6,622.02

Finding the Fourth Proportional to 11,927.19, 16,459.71 and 6,622.02

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Solution

The fourth proportional to 11,927.19, 16,459.71 and 6,622.02 is: 9,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.19 : 16,459.71 = 6,622.02 : x
  2. Step 2: Convert to fraction form
    11,927.19/16,459.71 = 6,622.02/x
  3. Step 3: Cross multiply
    11,927.19x = 16,459.71 × 6,622.02
  4. Step 4: Simplify right side
    11,927.19x = 108,996,528.81
  5. Step 5: Solve for x
    x = 108,996,528.81/11,927.19
  6. Step 6: Final answer
    x = 9,138.49

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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.