Home / 7,727.04-10,652.12-5,069.84

Finding the Fourth Proportional to 7,727.04, 10,652.12 and 5,069.84

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Solution

The fourth proportional to 7,727.04, 10,652.12 and 5,069.84 is: 6,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.04 : 10,652.12 = 5,069.84 : x
  2. Step 2: Convert to fraction form
    7,727.04/10,652.12 = 5,069.84/x
  3. Step 3: Cross multiply
    7,727.04x = 10,652.12 × 5,069.84
  4. Step 4: Simplify right side
    7,727.04x = 54,004,544.06
  5. Step 5: Solve for x
    x = 54,004,544.06/7,727.04
  6. Step 6: Final answer
    x = 6,989.03

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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.