Home / 7,472.04-11,153.73-6,855.72

Finding the Fourth Proportional to 7,472.04, 11,153.73 and 6,855.72

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Solution

The fourth proportional to 7,472.04, 11,153.73 and 6,855.72 is: 10,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.04 : 11,153.73 = 6,855.72 : x
  2. Step 2: Convert to fraction form
    7,472.04/11,153.73 = 6,855.72/x
  3. Step 3: Cross multiply
    7,472.04x = 11,153.73 × 6,855.72
  4. Step 4: Simplify right side
    7,472.04x = 76,466,849.84
  5. Step 5: Solve for x
    x = 76,466,849.84/7,472.04
  6. Step 6: Final answer
    x = 10,233.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.