Home / 12,338.88-17,023.47-7,029.96

Finding the Fourth Proportional to 12,338.88, 17,023.47 and 7,029.96

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Solution

The fourth proportional to 12,338.88, 17,023.47 and 7,029.96 is: 9,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.88 : 17,023.47 = 7,029.96 : x
  2. Step 2: Convert to fraction form
    12,338.88/17,023.47 = 7,029.96/x
  3. Step 3: Cross multiply
    12,338.88x = 17,023.47 × 7,029.96
  4. Step 4: Simplify right side
    12,338.88x = 119,674,313.16
  5. Step 5: Solve for x
    x = 119,674,313.16/12,338.88
  6. Step 6: Final answer
    x = 9,698.96

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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.