Home / 10,443.87-15,665.07-4,898.43

Finding the Fourth Proportional to 10,443.87, 15,665.07 and 4,898.43

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Solution

The fourth proportional to 10,443.87, 15,665.07 and 4,898.43 is: 7,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.87 : 15,665.07 = 4,898.43 : x
  2. Step 2: Convert to fraction form
    10,443.87/15,665.07 = 4,898.43/x
  3. Step 3: Cross multiply
    10,443.87x = 15,665.07 × 4,898.43
  4. Step 4: Simplify right side
    10,443.87x = 76,734,248.84
  5. Step 5: Solve for x
    x = 76,734,248.84/10,443.87
  6. Step 6: Final answer
    x = 7,347.30

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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.