Home / 7,647.51-11,471.28-5,049.84

Finding the Fourth Proportional to 7,647.51, 11,471.28 and 5,049.84

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Solution

The fourth proportional to 7,647.51, 11,471.28 and 5,049.84 is: 7,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.51 : 11,471.28 = 5,049.84 : x
  2. Step 2: Convert to fraction form
    7,647.51/11,471.28 = 5,049.84/x
  3. Step 3: Cross multiply
    7,647.51x = 11,471.28 × 5,049.84
  4. Step 4: Simplify right side
    7,647.51x = 57,928,128.60
  5. Step 5: Solve for x
    x = 57,928,128.60/7,647.51
  6. Step 6: Final answer
    x = 7,574.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.