Home / 10,092.80-15,135.84-4,895.36

Finding the Fourth Proportional to 10,092.80, 15,135.84 and 4,895.36

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Solution

The fourth proportional to 10,092.80, 15,135.84 and 4,895.36 is: 7,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.80 : 15,135.84 = 4,895.36 : x
  2. Step 2: Convert to fraction form
    10,092.80/15,135.84 = 4,895.36/x
  3. Step 3: Cross multiply
    10,092.80x = 15,135.84 × 4,895.36
  4. Step 4: Simplify right side
    10,092.80x = 74,095,385.70
  5. Step 5: Solve for x
    x = 74,095,385.70/10,092.80
  6. Step 6: Final answer
    x = 7,341.41

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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.