Home / 7,976.32-11,007.54-4,788.54

Finding the Fourth Proportional to 7,976.32, 11,007.54 and 4,788.54

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Solution

The fourth proportional to 7,976.32, 11,007.54 and 4,788.54 is: 6,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.32 : 11,007.54 = 4,788.54 : x
  2. Step 2: Convert to fraction form
    7,976.32/11,007.54 = 4,788.54/x
  3. Step 3: Cross multiply
    7,976.32x = 11,007.54 × 4,788.54
  4. Step 4: Simplify right side
    7,976.32x = 52,710,045.59
  5. Step 5: Solve for x
    x = 52,710,045.59/7,976.32
  6. Step 6: Final answer
    x = 6,608.32

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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.