Home / 8,456.34-11,680.43-6,462.39

Finding the Fourth Proportional to 8,456.34, 11,680.43 and 6,462.39

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Solution

The fourth proportional to 8,456.34, 11,680.43 and 6,462.39 is: 8,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.34 : 11,680.43 = 6,462.39 : x
  2. Step 2: Convert to fraction form
    8,456.34/11,680.43 = 6,462.39/x
  3. Step 3: Cross multiply
    8,456.34x = 11,680.43 × 6,462.39
  4. Step 4: Simplify right side
    8,456.34x = 75,483,461.72
  5. Step 5: Solve for x
    x = 75,483,461.72/8,456.34
  6. Step 6: Final answer
    x = 8,926.26

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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.