Home / 10,394.70-15,582.78-4,546.68

Finding the Fourth Proportional to 10,394.70, 15,582.78 and 4,546.68

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Solution

The fourth proportional to 10,394.70, 15,582.78 and 4,546.68 is: 6,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.70 : 15,582.78 = 4,546.68 : x
  2. Step 2: Convert to fraction form
    10,394.70/15,582.78 = 4,546.68/x
  3. Step 3: Cross multiply
    10,394.70x = 15,582.78 × 4,546.68
  4. Step 4: Simplify right side
    10,394.70x = 70,849,914.17
  5. Step 5: Solve for x
    x = 70,849,914.17/10,394.70
  6. Step 6: Final answer
    x = 6,815.97

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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.