Home / 7,472.82-10,312.53-4,286.24

Finding the Fourth Proportional to 7,472.82, 10,312.53 and 4,286.24

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Solution

The fourth proportional to 7,472.82, 10,312.53 and 4,286.24 is: 5,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.82 : 10,312.53 = 4,286.24 : x
  2. Step 2: Convert to fraction form
    7,472.82/10,312.53 = 4,286.24/x
  3. Step 3: Cross multiply
    7,472.82x = 10,312.53 × 4,286.24
  4. Step 4: Simplify right side
    7,472.82x = 44,201,957.16
  5. Step 5: Solve for x
    x = 44,201,957.16/7,472.82
  6. Step 6: Final answer
    x = 5,915.03

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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.