Home / 7,723.11-10,657.98-4,186.35

Finding the Fourth Proportional to 7,723.11, 10,657.98 and 4,186.35

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Solution

The fourth proportional to 7,723.11, 10,657.98 and 4,186.35 is: 5,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.11 : 10,657.98 = 4,186.35 : x
  2. Step 2: Convert to fraction form
    7,723.11/10,657.98 = 4,186.35/x
  3. Step 3: Cross multiply
    7,723.11x = 10,657.98 × 4,186.35
  4. Step 4: Simplify right side
    7,723.11x = 44,618,034.57
  5. Step 5: Solve for x
    x = 44,618,034.57/7,723.11
  6. Step 6: Final answer
    x = 5,777.21

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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.