Home / 10,958.60-15,119.16-6,239.54

Finding the Fourth Proportional to 10,958.60, 15,119.16 and 6,239.54

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Solution

The fourth proportional to 10,958.60, 15,119.16 and 6,239.54 is: 8,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.60 : 15,119.16 = 6,239.54 : x
  2. Step 2: Convert to fraction form
    10,958.60/15,119.16 = 6,239.54/x
  3. Step 3: Cross multiply
    10,958.60x = 15,119.16 × 6,239.54
  4. Step 4: Simplify right side
    10,958.60x = 94,336,603.59
  5. Step 5: Solve for x
    x = 94,336,603.59/10,958.60
  6. Step 6: Final answer
    x = 8,608.45

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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.