Home / 11,880.98-17,823.90-4,088.78

Finding the Fourth Proportional to 11,880.98, 17,823.90 and 4,088.78

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Solution

The fourth proportional to 11,880.98, 17,823.90 and 4,088.78 is: 6,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.98 : 17,823.90 = 4,088.78 : x
  2. Step 2: Convert to fraction form
    11,880.98/17,823.90 = 4,088.78/x
  3. Step 3: Cross multiply
    11,880.98x = 17,823.90 × 4,088.78
  4. Step 4: Simplify right side
    11,880.98x = 72,878,005.84
  5. Step 5: Solve for x
    x = 72,878,005.84/11,880.98
  6. Step 6: Final answer
    x = 6,134.01

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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.