Home / 8,140.08-11,235.63-4,953.87

Finding the Fourth Proportional to 8,140.08, 11,235.63 and 4,953.87

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Solution

The fourth proportional to 8,140.08, 11,235.63 and 4,953.87 is: 6,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.08 : 11,235.63 = 4,953.87 : x
  2. Step 2: Convert to fraction form
    8,140.08/11,235.63 = 4,953.87/x
  3. Step 3: Cross multiply
    8,140.08x = 11,235.63 × 4,953.87
  4. Step 4: Simplify right side
    8,140.08x = 55,659,850.39
  5. Step 5: Solve for x
    x = 55,659,850.39/8,140.08
  6. Step 6: Final answer
    x = 6,837.75

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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.