Home / 10,876.89-16,336.40-9,654.87

Finding the Fourth Proportional to 10,876.89, 16,336.40 and 9,654.87

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Solution

The fourth proportional to 10,876.89, 16,336.40 and 9,654.87 is: 14,501.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.89 : 16,336.40 = 9,654.87 : x
  2. Step 2: Convert to fraction form
    10,876.89/16,336.40 = 9,654.87/x
  3. Step 3: Cross multiply
    10,876.89x = 16,336.40 × 9,654.87
  4. Step 4: Simplify right side
    10,876.89x = 157,725,769.99
  5. Step 5: Solve for x
    x = 157,725,769.99/10,876.89
  6. Step 6: Final answer
    x = 14,501.00

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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.