Home / 10,377.36-15,557.28-4,827.84

Finding the Fourth Proportional to 10,377.36, 15,557.28 and 4,827.84

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Solution

The fourth proportional to 10,377.36, 15,557.28 and 4,827.84 is: 7,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.36 : 15,557.28 = 4,827.84 : x
  2. Step 2: Convert to fraction form
    10,377.36/15,557.28 = 4,827.84/x
  3. Step 3: Cross multiply
    10,377.36x = 15,557.28 × 4,827.84
  4. Step 4: Simplify right side
    10,377.36x = 75,108,058.68
  5. Step 5: Solve for x
    x = 75,108,058.68/10,377.36
  6. Step 6: Final answer
    x = 7,237.68

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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.