Home / 7,472.09-10,307.16-4,672.73

Finding the Fourth Proportional to 7,472.09, 10,307.16 and 4,672.73

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Solution

The fourth proportional to 7,472.09, 10,307.16 and 4,672.73 is: 6,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.09 : 10,307.16 = 4,672.73 : x
  2. Step 2: Convert to fraction form
    7,472.09/10,307.16 = 4,672.73/x
  3. Step 3: Cross multiply
    7,472.09x = 10,307.16 × 4,672.73
  4. Step 4: Simplify right side
    7,472.09x = 48,162,524.21
  5. Step 5: Solve for x
    x = 48,162,524.21/7,472.09
  6. Step 6: Final answer
    x = 6,445.66

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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.