Home / 7,122.72-10,669.73-5,964.30

Finding the Fourth Proportional to 7,122.72, 10,669.73 and 5,964.30

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Solution

The fourth proportional to 7,122.72, 10,669.73 and 5,964.30 is: 8,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.72 : 10,669.73 = 5,964.30 : x
  2. Step 2: Convert to fraction form
    7,122.72/10,669.73 = 5,964.30/x
  3. Step 3: Cross multiply
    7,122.72x = 10,669.73 × 5,964.30
  4. Step 4: Simplify right side
    7,122.72x = 63,637,440.82
  5. Step 5: Solve for x
    x = 63,637,440.82/7,122.72
  6. Step 6: Final answer
    x = 8,934.43

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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.