Home / 11,330.77-15,635.78-6,294.70

Finding the Fourth Proportional to 11,330.77, 15,635.78 and 6,294.70

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Solution

The fourth proportional to 11,330.77, 15,635.78 and 6,294.70 is: 8,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.77 : 15,635.78 = 6,294.70 : x
  2. Step 2: Convert to fraction form
    11,330.77/15,635.78 = 6,294.70/x
  3. Step 3: Cross multiply
    11,330.77x = 15,635.78 × 6,294.70
  4. Step 4: Simplify right side
    11,330.77x = 98,422,544.37
  5. Step 5: Solve for x
    x = 98,422,544.37/11,330.77
  6. Step 6: Final answer
    x = 8,686.31

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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.