Home / 8,586.36-12,885.06-3,656.04

Finding the Fourth Proportional to 8,586.36, 12,885.06 and 3,656.04

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Solution

The fourth proportional to 8,586.36, 12,885.06 and 3,656.04 is: 5,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.36 : 12,885.06 = 3,656.04 : x
  2. Step 2: Convert to fraction form
    8,586.36/12,885.06 = 3,656.04/x
  3. Step 3: Cross multiply
    8,586.36x = 12,885.06 × 3,656.04
  4. Step 4: Simplify right side
    8,586.36x = 47,108,294.76
  5. Step 5: Solve for x
    x = 47,108,294.76/8,586.36
  6. Step 6: Final answer
    x = 5,486.41

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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.