Home / 7,852.38-11,778.47-2,305.52

Finding the Fourth Proportional to 7,852.38, 11,778.47 and 2,305.52

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Solution

The fourth proportional to 7,852.38, 11,778.47 and 2,305.52 is: 3,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.38 : 11,778.47 = 2,305.52 : x
  2. Step 2: Convert to fraction form
    7,852.38/11,778.47 = 2,305.52/x
  3. Step 3: Cross multiply
    7,852.38x = 11,778.47 × 2,305.52
  4. Step 4: Simplify right side
    7,852.38x = 27,155,486.63
  5. Step 5: Solve for x
    x = 27,155,486.63/7,852.38
  6. Step 6: Final answer
    x = 3,458.25

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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.