Home / 10,315.38-14,228.82-6,332.61

Finding the Fourth Proportional to 10,315.38, 14,228.82 and 6,332.61

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Solution

The fourth proportional to 10,315.38, 14,228.82 and 6,332.61 is: 8,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.38 : 14,228.82 = 6,332.61 : x
  2. Step 2: Convert to fraction form
    10,315.38/14,228.82 = 6,332.61/x
  3. Step 3: Cross multiply
    10,315.38x = 14,228.82 × 6,332.61
  4. Step 4: Simplify right side
    10,315.38x = 90,105,567.82
  5. Step 5: Solve for x
    x = 90,105,567.82/10,315.38
  6. Step 6: Final answer
    x = 8,735.07

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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.