Home / 10,027.86-13,838.58-5,551.50

Finding the Fourth Proportional to 10,027.86, 13,838.58 and 5,551.50

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Solution

The fourth proportional to 10,027.86, 13,838.58 and 5,551.50 is: 7,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027.86 : 13,838.58 = 5,551.50 : x
  2. Step 2: Convert to fraction form
    10,027.86/13,838.58 = 5,551.50/x
  3. Step 3: Cross multiply
    10,027.86x = 13,838.58 × 5,551.50
  4. Step 4: Simplify right side
    10,027.86x = 76,824,876.87
  5. Step 5: Solve for x
    x = 76,824,876.87/10,027.86
  6. Step 6: Final answer
    x = 7,661.14

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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.