Home / 10,927.17-16,390.80-4,353.30

Finding the Fourth Proportional to 10,927.17, 16,390.80 and 4,353.30

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Solution

The fourth proportional to 10,927.17, 16,390.80 and 4,353.30 is: 6,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.17 : 16,390.80 = 4,353.30 : x
  2. Step 2: Convert to fraction form
    10,927.17/16,390.80 = 4,353.30/x
  3. Step 3: Cross multiply
    10,927.17x = 16,390.80 × 4,353.30
  4. Step 4: Simplify right side
    10,927.17x = 71,354,069.64
  5. Step 5: Solve for x
    x = 71,354,069.64/10,927.17
  6. Step 6: Final answer
    x = 6,529.97

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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.