Home / 12,341.65-17,031.40-6,676.38

Finding the Fourth Proportional to 12,341.65, 17,031.40 and 6,676.38

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Solution

The fourth proportional to 12,341.65, 17,031.40 and 6,676.38 is: 9,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.65 : 17,031.40 = 6,676.38 : x
  2. Step 2: Convert to fraction form
    12,341.65/17,031.40 = 6,676.38/x
  3. Step 3: Cross multiply
    12,341.65x = 17,031.40 × 6,676.38
  4. Step 4: Simplify right side
    12,341.65x = 113,708,020.58
  5. Step 5: Solve for x
    x = 113,708,020.58/12,341.65
  6. Step 6: Final answer
    x = 9,213.36

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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.