Home / 12,223.17-18,334.81-3,458.08

Finding the Fourth Proportional to 12,223.17, 18,334.81 and 3,458.08

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Solution

The fourth proportional to 12,223.17, 18,334.81 and 3,458.08 is: 5,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.17 : 18,334.81 = 3,458.08 : x
  2. Step 2: Convert to fraction form
    12,223.17/18,334.81 = 3,458.08/x
  3. Step 3: Cross multiply
    12,223.17x = 18,334.81 × 3,458.08
  4. Step 4: Simplify right side
    12,223.17x = 63,403,221.77
  5. Step 5: Solve for x
    x = 63,403,221.77/12,223.17
  6. Step 6: Final answer
    x = 5,187.14

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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.