Home / 10,342.38-14,272.84-5,626.84

Finding the Fourth Proportional to 10,342.38, 14,272.84 and 5,626.84

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Solution

The fourth proportional to 10,342.38, 14,272.84 and 5,626.84 is: 7,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.38 : 14,272.84 = 5,626.84 : x
  2. Step 2: Convert to fraction form
    10,342.38/14,272.84 = 5,626.84/x
  3. Step 3: Cross multiply
    10,342.38x = 14,272.84 × 5,626.84
  4. Step 4: Simplify right side
    10,342.38x = 80,310,987.03
  5. Step 5: Solve for x
    x = 80,310,987.03/10,342.38
  6. Step 6: Final answer
    x = 7,765.23

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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.