Home / 7,329.76-10,113.60-4,186.96

Finding the Fourth Proportional to 7,329.76, 10,113.60 and 4,186.96

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Solution

The fourth proportional to 7,329.76, 10,113.60 and 4,186.96 is: 5,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.76 : 10,113.60 = 4,186.96 : x
  2. Step 2: Convert to fraction form
    7,329.76/10,113.60 = 4,186.96/x
  3. Step 3: Cross multiply
    7,329.76x = 10,113.60 × 4,186.96
  4. Step 4: Simplify right side
    7,329.76x = 42,345,238.66
  5. Step 5: Solve for x
    x = 42,345,238.66/7,329.76
  6. Step 6: Final answer
    x = 5,777.17

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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.