Home / 10,364.64-15,537.30-4,123.45

Finding the Fourth Proportional to 10,364.64, 15,537.30 and 4,123.45

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Solution

The fourth proportional to 10,364.64, 15,537.30 and 4,123.45 is: 6,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.64 : 15,537.30 = 4,123.45 : x
  2. Step 2: Convert to fraction form
    10,364.64/15,537.30 = 4,123.45/x
  3. Step 3: Cross multiply
    10,364.64x = 15,537.30 × 4,123.45
  4. Step 4: Simplify right side
    10,364.64x = 64,067,279.69
  5. Step 5: Solve for x
    x = 64,067,279.69/10,364.64
  6. Step 6: Final answer
    x = 6,181.33

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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.