Home / 13,297.02-18,349.38-7,327.86

Finding the Fourth Proportional to 13,297.02, 18,349.38 and 7,327.86

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Solution

The fourth proportional to 13,297.02, 18,349.38 and 7,327.86 is: 10,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.02 : 18,349.38 = 7,327.86 : x
  2. Step 2: Convert to fraction form
    13,297.02/18,349.38 = 7,327.86/x
  3. Step 3: Cross multiply
    13,297.02x = 18,349.38 × 7,327.86
  4. Step 4: Simplify right side
    13,297.02x = 134,461,687.73
  5. Step 5: Solve for x
    x = 134,461,687.73/13,297.02
  6. Step 6: Final answer
    x = 10,112.17

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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.