Home / 8,945.06-12,342.38-4,965.62

Finding the Fourth Proportional to 8,945.06, 12,342.38 and 4,965.62

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Solution

The fourth proportional to 8,945.06, 12,342.38 and 4,965.62 is: 6,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.06 : 12,342.38 = 4,965.62 : x
  2. Step 2: Convert to fraction form
    8,945.06/12,342.38 = 4,965.62/x
  3. Step 3: Cross multiply
    8,945.06x = 12,342.38 × 4,965.62
  4. Step 4: Simplify right side
    8,945.06x = 61,287,568.98
  5. Step 5: Solve for x
    x = 61,287,568.98/8,945.06
  6. Step 6: Final answer
    x = 6,851.55

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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.