Home / 10,881.13-16,319.73-4,956.64

Finding the Fourth Proportional to 10,881.13, 16,319.73 and 4,956.64

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Solution

The fourth proportional to 10,881.13, 16,319.73 and 4,956.64 is: 7,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.13 : 16,319.73 = 4,956.64 : x
  2. Step 2: Convert to fraction form
    10,881.13/16,319.73 = 4,956.64/x
  3. Step 3: Cross multiply
    10,881.13x = 16,319.73 × 4,956.64
  4. Step 4: Simplify right side
    10,881.13x = 80,891,026.51
  5. Step 5: Solve for x
    x = 80,891,026.51/10,881.13
  6. Step 6: Final answer
    x = 7,434.06

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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.