Home / 12,465.68-17,202.52-6,876.64

Finding the Fourth Proportional to 12,465.68, 17,202.52 and 6,876.64

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Solution

The fourth proportional to 12,465.68, 17,202.52 and 6,876.64 is: 9,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.68 : 17,202.52 = 6,876.64 : x
  2. Step 2: Convert to fraction form
    12,465.68/17,202.52 = 6,876.64/x
  3. Step 3: Cross multiply
    12,465.68x = 17,202.52 × 6,876.64
  4. Step 4: Simplify right side
    12,465.68x = 118,295,537.13
  5. Step 5: Solve for x
    x = 118,295,537.13/12,465.68
  6. Step 6: Final answer
    x = 9,489.70

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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.