Home / 10,672.30-16,008.45-7,391.80

Finding the Fourth Proportional to 10,672.30, 16,008.45 and 7,391.80

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Solution

The fourth proportional to 10,672.30, 16,008.45 and 7,391.80 is: 11,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.30 : 16,008.45 = 7,391.80 : x
  2. Step 2: Convert to fraction form
    10,672.30/16,008.45 = 7,391.80/x
  3. Step 3: Cross multiply
    10,672.30x = 16,008.45 × 7,391.80
  4. Step 4: Simplify right side
    10,672.30x = 118,331,260.71
  5. Step 5: Solve for x
    x = 118,331,260.71/10,672.30
  6. Step 6: Final answer
    x = 11,087.70

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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.