Home / 10,027.98-13,838.55-5,777.49

Finding the Fourth Proportional to 10,027.98, 13,838.55 and 5,777.49

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Solution

The fourth proportional to 10,027.98, 13,838.55 and 5,777.49 is: 7,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027.98 : 13,838.55 = 5,777.49 : x
  2. Step 2: Convert to fraction form
    10,027.98/13,838.55 = 5,777.49/x
  3. Step 3: Cross multiply
    10,027.98x = 13,838.55 × 5,777.49
  4. Step 4: Simplify right side
    10,027.98x = 79,952,084.24
  5. Step 5: Solve for x
    x = 79,952,084.24/10,027.98
  6. Step 6: Final answer
    x = 7,972.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.