Home / 10,359.54-15,530.40-4,123.96

Finding the Fourth Proportional to 10,359.54, 15,530.40 and 4,123.96

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Solution

The fourth proportional to 10,359.54, 15,530.40 and 4,123.96 is: 6,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.54 : 15,530.40 = 4,123.96 : x
  2. Step 2: Convert to fraction form
    10,359.54/15,530.40 = 4,123.96/x
  3. Step 3: Cross multiply
    10,359.54x = 15,530.40 × 4,123.96
  4. Step 4: Simplify right side
    10,359.54x = 64,046,709.56
  5. Step 5: Solve for x
    x = 64,046,709.56/10,359.54
  6. Step 6: Final answer
    x = 6,182.39

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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.