Home / 8,586.06-12,875.82-3,038.40

Finding the Fourth Proportional to 8,586.06, 12,875.82 and 3,038.40

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Solution

The fourth proportional to 8,586.06, 12,875.82 and 3,038.40 is: 4,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.06 : 12,875.82 = 3,038.40 : x
  2. Step 2: Convert to fraction form
    8,586.06/12,875.82 = 3,038.40/x
  3. Step 3: Cross multiply
    8,586.06x = 12,875.82 × 3,038.40
  4. Step 4: Simplify right side
    8,586.06x = 39,121,891.49
  5. Step 5: Solve for x
    x = 39,121,891.49/8,586.06
  6. Step 6: Final answer
    x = 4,556.44

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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.