Home / 11,336.25-15,639.54-6,555.32

Finding the Fourth Proportional to 11,336.25, 15,639.54 and 6,555.32

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Solution

The fourth proportional to 11,336.25, 15,639.54 and 6,555.32 is: 9,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.25 : 15,639.54 = 6,555.32 : x
  2. Step 2: Convert to fraction form
    11,336.25/15,639.54 = 6,555.32/x
  3. Step 3: Cross multiply
    11,336.25x = 15,639.54 × 6,555.32
  4. Step 4: Simplify right side
    11,336.25x = 102,522,189.35
  5. Step 5: Solve for x
    x = 102,522,189.35/11,336.25
  6. Step 6: Final answer
    x = 9,043.75

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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.