Home / 12,027.40-16,598-6,722.56

Finding the Fourth Proportional to 12,027.40, 16,598 and 6,722.56

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Solution

The fourth proportional to 12,027.40, 16,598 and 6,722.56 is: 9,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.40 : 16,598 = 6,722.56 : x
  2. Step 2: Convert to fraction form
    12,027.40/16,598 = 6,722.56/x
  3. Step 3: Cross multiply
    12,027.40x = 16,598 × 6,722.56
  4. Step 4: Simplify right side
    12,027.40x = 111,581,050.88
  5. Step 5: Solve for x
    x = 111,581,050.88/12,027.40
  6. Step 6: Final answer
    x = 9,277.24

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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.