Home / 12,649.37-17,457.80-7,344.27

Finding the Fourth Proportional to 12,649.37, 17,457.80 and 7,344.27

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Solution

The fourth proportional to 12,649.37, 17,457.80 and 7,344.27 is: 10,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649.37 : 17,457.80 = 7,344.27 : x
  2. Step 2: Convert to fraction form
    12,649.37/17,457.80 = 7,344.27/x
  3. Step 3: Cross multiply
    12,649.37x = 17,457.80 × 7,344.27
  4. Step 4: Simplify right side
    12,649.37x = 128,214,760.08
  5. Step 5: Solve for x
    x = 128,214,760.08/12,649.37
  6. Step 6: Final answer
    x = 10,136.06

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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.