Home / 12,400.12-18,598.56-5,473

Finding the Fourth Proportional to 12,400.12, 18,598.56 and 5,473

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Solution

The fourth proportional to 12,400.12, 18,598.56 and 5,473 is: 8,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.12 : 18,598.56 = 5,473 : x
  2. Step 2: Convert to fraction form
    12,400.12/18,598.56 = 5,473/x
  3. Step 3: Cross multiply
    12,400.12x = 18,598.56 × 5,473
  4. Step 4: Simplify right side
    12,400.12x = 101,789,918.88
  5. Step 5: Solve for x
    x = 101,789,918.88/12,400.12
  6. Step 6: Final answer
    x = 8,208.78

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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.