Home / 12,327.30-17,011.11-7,021.98

Finding the Fourth Proportional to 12,327.30, 17,011.11 and 7,021.98

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Solution

The fourth proportional to 12,327.30, 17,011.11 and 7,021.98 is: 9,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.30 : 17,011.11 = 7,021.98 : x
  2. Step 2: Convert to fraction form
    12,327.30/17,011.11 = 7,021.98/x
  3. Step 3: Cross multiply
    12,327.30x = 17,011.11 × 7,021.98
  4. Step 4: Simplify right side
    12,327.30x = 119,451,674.20
  5. Step 5: Solve for x
    x = 119,451,674.20/12,327.30
  6. Step 6: Final answer
    x = 9,690.01

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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.