Home / 10,276.44-14,240.10-9,652.20

Finding the Fourth Proportional to 10,276.44, 14,240.10 and 9,652.20

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Solution

The fourth proportional to 10,276.44, 14,240.10 and 9,652.20 is: 13,375.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.44 : 14,240.10 = 9,652.20 : x
  2. Step 2: Convert to fraction form
    10,276.44/14,240.10 = 9,652.20/x
  3. Step 3: Cross multiply
    10,276.44x = 14,240.10 × 9,652.20
  4. Step 4: Simplify right side
    10,276.44x = 137,448,293.22
  5. Step 5: Solve for x
    x = 137,448,293.22/10,276.44
  6. Step 6: Final answer
    x = 13,375.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.