Home / 10,095.66-13,930.77-5,619.09

Finding the Fourth Proportional to 10,095.66, 13,930.77 and 5,619.09

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Solution

The fourth proportional to 10,095.66, 13,930.77 and 5,619.09 is: 7,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.66 : 13,930.77 = 5,619.09 : x
  2. Step 2: Convert to fraction form
    10,095.66/13,930.77 = 5,619.09/x
  3. Step 3: Cross multiply
    10,095.66x = 13,930.77 × 5,619.09
  4. Step 4: Simplify right side
    10,095.66x = 78,278,250.40
  5. Step 5: Solve for x
    x = 78,278,250.40/10,095.66
  6. Step 6: Final answer
    x = 7,753.65

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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.