Home / 7,707.36-10,636.14-4,170.54

Finding the Fourth Proportional to 7,707.36, 10,636.14 and 4,170.54

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Solution

The fourth proportional to 7,707.36, 10,636.14 and 4,170.54 is: 5,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.36 : 10,636.14 = 4,170.54 : x
  2. Step 2: Convert to fraction form
    7,707.36/10,636.14 = 4,170.54/x
  3. Step 3: Cross multiply
    7,707.36x = 10,636.14 × 4,170.54
  4. Step 4: Simplify right side
    7,707.36x = 44,358,447.32
  5. Step 5: Solve for x
    x = 44,358,447.32/7,707.36
  6. Step 6: Final answer
    x = 5,755.34

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Half scale
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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.