Home / 8,458.27-11,672.24-4,681.43

Finding the Fourth Proportional to 8,458.27, 11,672.24 and 4,681.43

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Solution

The fourth proportional to 8,458.27, 11,672.24 and 4,681.43 is: 6,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.27 : 11,672.24 = 4,681.43 : x
  2. Step 2: Convert to fraction form
    8,458.27/11,672.24 = 4,681.43/x
  3. Step 3: Cross multiply
    8,458.27x = 11,672.24 × 4,681.43
  4. Step 4: Simplify right side
    8,458.27x = 54,642,774.50
  5. Step 5: Solve for x
    x = 54,642,774.50/8,458.27
  6. Step 6: Final answer
    x = 6,460.28

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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.