Home / 10,669.91-14,723.30-7,520.63

Finding the Fourth Proportional to 10,669.91, 14,723.30 and 7,520.63

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Solution

The fourth proportional to 10,669.91, 14,723.30 and 7,520.63 is: 10,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.91 : 14,723.30 = 7,520.63 : x
  2. Step 2: Convert to fraction form
    10,669.91/14,723.30 = 7,520.63/x
  3. Step 3: Cross multiply
    10,669.91x = 14,723.30 × 7,520.63
  4. Step 4: Simplify right side
    10,669.91x = 110,728,491.68
  5. Step 5: Solve for x
    x = 110,728,491.68/10,669.91
  6. Step 6: Final answer
    x = 10,377.64

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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.