Home / 10,901.39-16,354.81-4,325.40

Finding the Fourth Proportional to 10,901.39, 16,354.81 and 4,325.40

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Solution

The fourth proportional to 10,901.39, 16,354.81 and 4,325.40 is: 6,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.39 : 16,354.81 = 4,325.40 : x
  2. Step 2: Convert to fraction form
    10,901.39/16,354.81 = 4,325.40/x
  3. Step 3: Cross multiply
    10,901.39x = 16,354.81 × 4,325.40
  4. Step 4: Simplify right side
    10,901.39x = 70,741,100.58
  5. Step 5: Solve for x
    x = 70,741,100.58/10,901.39
  6. Step 6: Final answer
    x = 6,489.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.