Home / 12,384.40-18,571.44-4,588.96

Finding the Fourth Proportional to 12,384.40, 18,571.44 and 4,588.96

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Solution

The fourth proportional to 12,384.40, 18,571.44 and 4,588.96 is: 6,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.40 : 18,571.44 = 4,588.96 : x
  2. Step 2: Convert to fraction form
    12,384.40/18,571.44 = 4,588.96/x
  3. Step 3: Cross multiply
    12,384.40x = 18,571.44 × 4,588.96
  4. Step 4: Simplify right side
    12,384.40x = 85,223,595.30
  5. Step 5: Solve for x
    x = 85,223,595.30/12,384.40
  6. Step 6: Final answer
    x = 6,881.53

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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.