Home / 11,531.84-15,914.90-6,497.04

Finding the Fourth Proportional to 11,531.84, 15,914.90 and 6,497.04

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Solution

The fourth proportional to 11,531.84, 15,914.90 and 6,497.04 is: 8,966.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.84 : 15,914.90 = 6,497.04 : x
  2. Step 2: Convert to fraction form
    11,531.84/15,914.90 = 6,497.04/x
  3. Step 3: Cross multiply
    11,531.84x = 15,914.90 × 6,497.04
  4. Step 4: Simplify right side
    11,531.84x = 103,399,709.41
  5. Step 5: Solve for x
    x = 103,399,709.41/11,531.84
  6. Step 6: Final answer
    x = 8,966.46

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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.