Home / 10,263.78-14,163.96-5,548.08

Finding the Fourth Proportional to 10,263.78, 14,163.96 and 5,548.08

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Solution

The fourth proportional to 10,263.78, 14,163.96 and 5,548.08 is: 7,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.78 : 14,163.96 = 5,548.08 : x
  2. Step 2: Convert to fraction form
    10,263.78/14,163.96 = 5,548.08/x
  3. Step 3: Cross multiply
    10,263.78x = 14,163.96 × 5,548.08
  4. Step 4: Simplify right side
    10,263.78x = 78,582,783.20
  5. Step 5: Solve for x
    x = 78,582,783.20/10,263.78
  6. Step 6: Final answer
    x = 7,656.32

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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.