Home / 11,389.16-17,088.67-6,118.02

Finding the Fourth Proportional to 11,389.16, 17,088.67 and 6,118.02

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Solution

The fourth proportional to 11,389.16, 17,088.67 and 6,118.02 is: 9,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.16 : 17,088.67 = 6,118.02 : x
  2. Step 2: Convert to fraction form
    11,389.16/17,088.67 = 6,118.02/x
  3. Step 3: Cross multiply
    11,389.16x = 17,088.67 × 6,118.02
  4. Step 4: Simplify right side
    11,389.16x = 104,548,840.13
  5. Step 5: Solve for x
    x = 104,548,840.13/11,389.16
  6. Step 6: Final answer
    x = 9,179.68

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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.