Home / 7,803.41-11,698.54-3,641.23

Finding the Fourth Proportional to 7,803.41, 11,698.54 and 3,641.23

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Solution

The fourth proportional to 7,803.41, 11,698.54 and 3,641.23 is: 5,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.41 : 11,698.54 = 3,641.23 : x
  2. Step 2: Convert to fraction form
    7,803.41/11,698.54 = 3,641.23/x
  3. Step 3: Cross multiply
    7,803.41x = 11,698.54 × 3,641.23
  4. Step 4: Simplify right side
    7,803.41x = 42,597,036.45
  5. Step 5: Solve for x
    x = 42,597,036.45/7,803.41
  6. Step 6: Final answer
    x = 5,458.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.