Home / 11,432.21-15,774.48-6,717.47

Finding the Fourth Proportional to 11,432.21, 15,774.48 and 6,717.47

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Solution

The fourth proportional to 11,432.21, 15,774.48 and 6,717.47 is: 9,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.21 : 15,774.48 = 6,717.47 : x
  2. Step 2: Convert to fraction form
    11,432.21/15,774.48 = 6,717.47/x
  3. Step 3: Cross multiply
    11,432.21x = 15,774.48 × 6,717.47
  4. Step 4: Simplify right side
    11,432.21x = 105,964,517.29
  5. Step 5: Solve for x
    x = 105,964,517.29/11,432.21
  6. Step 6: Final answer
    x = 9,268.95

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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.