Home / 10,027.56-13,837.85-5,551.28

Finding the Fourth Proportional to 10,027.56, 13,837.85 and 5,551.28

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Solution

The fourth proportional to 10,027.56, 13,837.85 and 5,551.28 is: 7,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027.56 : 13,837.85 = 5,551.28 : x
  2. Step 2: Convert to fraction form
    10,027.56/13,837.85 = 5,551.28/x
  3. Step 3: Cross multiply
    10,027.56x = 13,837.85 × 5,551.28
  4. Step 4: Simplify right side
    10,027.56x = 76,817,683.00
  5. Step 5: Solve for x
    x = 76,817,683.00/10,027.56
  6. Step 6: Final answer
    x = 7,660.66

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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.