Home / 13,072.32-19,611.45-4,307.04

Finding the Fourth Proportional to 13,072.32, 19,611.45 and 4,307.04

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Solution

The fourth proportional to 13,072.32, 19,611.45 and 4,307.04 is: 6,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.32 : 19,611.45 = 4,307.04 : x
  2. Step 2: Convert to fraction form
    13,072.32/19,611.45 = 4,307.04/x
  3. Step 3: Cross multiply
    13,072.32x = 19,611.45 × 4,307.04
  4. Step 4: Simplify right side
    13,072.32x = 84,467,299.61
  5. Step 5: Solve for x
    x = 84,467,299.61/13,072.32
  6. Step 6: Final answer
    x = 6,461.54

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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.