Home / 10,976.96-16,547.44-10,042.86

Finding the Fourth Proportional to 10,976.96, 16,547.44 and 10,042.86

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Solution

The fourth proportional to 10,976.96, 16,547.44 and 10,042.86 is: 15,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.96 : 16,547.44 = 10,042.86 : x
  2. Step 2: Convert to fraction form
    10,976.96/16,547.44 = 10,042.86/x
  3. Step 3: Cross multiply
    10,976.96x = 16,547.44 × 10,042.86
  4. Step 4: Simplify right side
    10,976.96x = 166,183,623.28
  5. Step 5: Solve for x
    x = 166,183,623.28/10,976.96
  6. Step 6: Final answer
    x = 15,139.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.