Home / 10,918.51-16,364.06-4,671.17

Finding the Fourth Proportional to 10,918.51, 16,364.06 and 4,671.17

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Solution

The fourth proportional to 10,918.51, 16,364.06 and 4,671.17 is: 7,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.51 : 16,364.06 = 4,671.17 : x
  2. Step 2: Convert to fraction form
    10,918.51/16,364.06 = 4,671.17/x
  3. Step 3: Cross multiply
    10,918.51x = 16,364.06 × 4,671.17
  4. Step 4: Simplify right side
    10,918.51x = 76,439,282.79
  5. Step 5: Solve for x
    x = 76,439,282.79/10,918.51
  6. Step 6: Final answer
    x = 7,000.89

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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.