Home / 12,531.11-17,293.10-8,056.33

Finding the Fourth Proportional to 12,531.11, 17,293.10 and 8,056.33

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Solution

The fourth proportional to 12,531.11, 17,293.10 and 8,056.33 is: 11,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.11 : 17,293.10 = 8,056.33 : x
  2. Step 2: Convert to fraction form
    12,531.11/17,293.10 = 8,056.33/x
  3. Step 3: Cross multiply
    12,531.11x = 17,293.10 × 8,056.33
  4. Step 4: Simplify right side
    12,531.11x = 139,318,836.81
  5. Step 5: Solve for x
    x = 139,318,836.81/12,531.11
  6. Step 6: Final answer
    x = 11,117.84

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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.