Home / 13,342.51-18,410.05-8,037.62

Finding the Fourth Proportional to 13,342.51, 18,410.05 and 8,037.62

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Solution

The fourth proportional to 13,342.51, 18,410.05 and 8,037.62 is: 11,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.51 : 18,410.05 = 8,037.62 : x
  2. Step 2: Convert to fraction form
    13,342.51/18,410.05 = 8,037.62/x
  3. Step 3: Cross multiply
    13,342.51x = 18,410.05 × 8,037.62
  4. Step 4: Simplify right side
    13,342.51x = 147,972,986.08
  5. Step 5: Solve for x
    x = 147,972,986.08/13,342.51
  6. Step 6: Final answer
    x = 11,090.34

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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.