Home / 10,342.37-14,272.53-5,626.64

Finding the Fourth Proportional to 10,342.37, 14,272.53 and 5,626.64

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Solution

The fourth proportional to 10,342.37, 14,272.53 and 5,626.64 is: 7,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.37 : 14,272.53 = 5,626.64 : x
  2. Step 2: Convert to fraction form
    10,342.37/14,272.53 = 5,626.64/x
  3. Step 3: Cross multiply
    10,342.37x = 14,272.53 × 5,626.64
  4. Step 4: Simplify right side
    10,342.37x = 80,306,388.20
  5. Step 5: Solve for x
    x = 80,306,388.20/10,342.37
  6. Step 6: Final answer
    x = 7,764.80

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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.