Home / 7,723.13-10,657.87-4,186.33

Finding the Fourth Proportional to 7,723.13, 10,657.87 and 4,186.33

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Solution

The fourth proportional to 7,723.13, 10,657.87 and 4,186.33 is: 5,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.13 : 10,657.87 = 4,186.33 : x
  2. Step 2: Convert to fraction form
    7,723.13/10,657.87 = 4,186.33/x
  3. Step 3: Cross multiply
    7,723.13x = 10,657.87 × 4,186.33
  4. Step 4: Simplify right side
    7,723.13x = 44,617,323.81
  5. Step 5: Solve for x
    x = 44,617,323.81/7,723.13
  6. Step 6: Final answer
    x = 5,777.11

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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.