Home / 7,723.36-10,658.28-4,186.54

Finding the Fourth Proportional to 7,723.36, 10,658.28 and 4,186.54

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Solution

The fourth proportional to 7,723.36, 10,658.28 and 4,186.54 is: 5,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.36 : 10,658.28 = 4,186.54 : x
  2. Step 2: Convert to fraction form
    7,723.36/10,658.28 = 4,186.54/x
  3. Step 3: Cross multiply
    7,723.36x = 10,658.28 × 4,186.54
  4. Step 4: Simplify right side
    7,723.36x = 44,621,315.55
  5. Step 5: Solve for x
    x = 44,621,315.55/7,723.36
  6. Step 6: Final answer
    x = 5,777.45

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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.