Home / 12,341.12-18,507.29-3,574.22

Finding the Fourth Proportional to 12,341.12, 18,507.29 and 3,574.22

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Solution

The fourth proportional to 12,341.12, 18,507.29 and 3,574.22 is: 5,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.12 : 18,507.29 = 3,574.22 : x
  2. Step 2: Convert to fraction form
    12,341.12/18,507.29 = 3,574.22/x
  3. Step 3: Cross multiply
    12,341.12x = 18,507.29 × 3,574.22
  4. Step 4: Simplify right side
    12,341.12x = 66,149,015.66
  5. Step 5: Solve for x
    x = 66,149,015.66/12,341.12
  6. Step 6: Final answer
    x = 5,360.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.