Home / 10,377.84-15,558.03-4,828.35

Finding the Fourth Proportional to 10,377.84, 15,558.03 and 4,828.35

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Solution

The fourth proportional to 10,377.84, 15,558.03 and 4,828.35 is: 7,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.84 : 15,558.03 = 4,828.35 : x
  2. Step 2: Convert to fraction form
    10,377.84/15,558.03 = 4,828.35/x
  3. Step 3: Cross multiply
    10,377.84x = 15,558.03 × 4,828.35
  4. Step 4: Simplify right side
    10,377.84x = 75,119,614.15
  5. Step 5: Solve for x
    x = 75,119,614.15/10,377.84
  6. Step 6: Final answer
    x = 7,238.46

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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.