Home / 12,439.08-17,166.36-6,774.08

Finding the Fourth Proportional to 12,439.08, 17,166.36 and 6,774.08

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Solution

The fourth proportional to 12,439.08, 17,166.36 and 6,774.08 is: 9,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439.08 : 17,166.36 = 6,774.08 : x
  2. Step 2: Convert to fraction form
    12,439.08/17,166.36 = 6,774.08/x
  3. Step 3: Cross multiply
    12,439.08x = 17,166.36 × 6,774.08
  4. Step 4: Simplify right side
    12,439.08x = 116,286,295.95
  5. Step 5: Solve for x
    x = 116,286,295.95/12,439.08
  6. Step 6: Final answer
    x = 9,348.46

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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.