Home / 7,723.32-10,657.90-4,186.46

Finding the Fourth Proportional to 7,723.32, 10,657.90 and 4,186.46

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Solution

The fourth proportional to 7,723.32, 10,657.90 and 4,186.46 is: 5,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.32 : 10,657.90 = 4,186.46 : x
  2. Step 2: Convert to fraction form
    7,723.32/10,657.90 = 4,186.46/x
  3. Step 3: Cross multiply
    7,723.32x = 10,657.90 × 4,186.46
  4. Step 4: Simplify right side
    7,723.32x = 44,618,863.94
  5. Step 5: Solve for x
    x = 44,618,863.94/7,723.32
  6. Step 6: Final answer
    x = 5,777.16

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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.