Home / 11,322.45-16,988.54-8,056.53

Finding the Fourth Proportional to 11,322.45, 16,988.54 and 8,056.53

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Solution

The fourth proportional to 11,322.45, 16,988.54 and 8,056.53 is: 12,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.45 : 16,988.54 = 8,056.53 : x
  2. Step 2: Convert to fraction form
    11,322.45/16,988.54 = 8,056.53/x
  3. Step 3: Cross multiply
    11,322.45x = 16,988.54 × 8,056.53
  4. Step 4: Simplify right side
    11,322.45x = 136,868,641.88
  5. Step 5: Solve for x
    x = 136,868,641.88/11,322.45
  6. Step 6: Final answer
    x = 12,088.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.