Home / 11,141.64-16,679.76-5,864.16

Finding the Fourth Proportional to 11,141.64, 16,679.76 and 5,864.16

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Solution

The fourth proportional to 11,141.64, 16,679.76 and 5,864.16 is: 8,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.64 : 16,679.76 = 5,864.16 : x
  2. Step 2: Convert to fraction form
    11,141.64/16,679.76 = 5,864.16/x
  3. Step 3: Cross multiply
    11,141.64x = 16,679.76 × 5,864.16
  4. Step 4: Simplify right side
    11,141.64x = 97,812,781.40
  5. Step 5: Solve for x
    x = 97,812,781.40/11,141.64
  6. Step 6: Final answer
    x = 8,779.03

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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.