Home / 12,015.40-16,571.94-8,035.24

Finding the Fourth Proportional to 12,015.40, 16,571.94 and 8,035.24

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Solution

The fourth proportional to 12,015.40, 16,571.94 and 8,035.24 is: 11,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.40 : 16,571.94 = 8,035.24 : x
  2. Step 2: Convert to fraction form
    12,015.40/16,571.94 = 8,035.24/x
  3. Step 3: Cross multiply
    12,015.40x = 16,571.94 × 8,035.24
  4. Step 4: Simplify right side
    12,015.40x = 133,159,515.17
  5. Step 5: Solve for x
    x = 133,159,515.17/12,015.40
  6. Step 6: Final answer
    x = 11,082.40

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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.