Home / 12,445.93-17,175.38-6,856.93

Finding the Fourth Proportional to 12,445.93, 17,175.38 and 6,856.93

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Solution

The fourth proportional to 12,445.93, 17,175.38 and 6,856.93 is: 9,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.93 : 17,175.38 = 6,856.93 : x
  2. Step 2: Convert to fraction form
    12,445.93/17,175.38 = 6,856.93/x
  3. Step 3: Cross multiply
    12,445.93x = 17,175.38 × 6,856.93
  4. Step 4: Simplify right side
    12,445.93x = 117,770,301.16
  5. Step 5: Solve for x
    x = 117,770,301.16/12,445.93
  6. Step 6: Final answer
    x = 9,462.56

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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.