Home / 11,876.10-16,386.30-7,095.29

Finding the Fourth Proportional to 11,876.10, 16,386.30 and 7,095.29

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Solution

The fourth proportional to 11,876.10, 16,386.30 and 7,095.29 is: 9,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.10 : 16,386.30 = 7,095.29 : x
  2. Step 2: Convert to fraction form
    11,876.10/16,386.30 = 7,095.29/x
  3. Step 3: Cross multiply
    11,876.10x = 16,386.30 × 7,095.29
  4. Step 4: Simplify right side
    11,876.10x = 116,265,468.60
  5. Step 5: Solve for x
    x = 116,265,468.60/11,876.10
  6. Step 6: Final answer
    x = 9,789.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.