Home / 10,898.12-15,039.30-6,182.36

Finding the Fourth Proportional to 10,898.12, 15,039.30 and 6,182.36

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Solution

The fourth proportional to 10,898.12, 15,039.30 and 6,182.36 is: 8,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.12 : 15,039.30 = 6,182.36 : x
  2. Step 2: Convert to fraction form
    10,898.12/15,039.30 = 6,182.36/x
  3. Step 3: Cross multiply
    10,898.12x = 15,039.30 × 6,182.36
  4. Step 4: Simplify right side
    10,898.12x = 92,978,366.75
  5. Step 5: Solve for x
    x = 92,978,366.75/10,898.12
  6. Step 6: Final answer
    x = 8,531.60

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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.