Home / 7,922.16-10,932.84-5,438.16

Finding the Fourth Proportional to 7,922.16, 10,932.84 and 5,438.16

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Solution

The fourth proportional to 7,922.16, 10,932.84 and 5,438.16 is: 7,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.16 : 10,932.84 = 5,438.16 : x
  2. Step 2: Convert to fraction form
    7,922.16/10,932.84 = 5,438.16/x
  3. Step 3: Cross multiply
    7,922.16x = 10,932.84 × 5,438.16
  4. Step 4: Simplify right side
    7,922.16x = 59,454,533.17
  5. Step 5: Solve for x
    x = 59,454,533.17/7,922.16
  6. Step 6: Final answer
    x = 7,504.84

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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.