Home / 10,349.91-14,282.88-5,634.21

Finding the Fourth Proportional to 10,349.91, 14,282.88 and 5,634.21

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Solution

The fourth proportional to 10,349.91, 14,282.88 and 5,634.21 is: 7,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.91 : 14,282.88 = 5,634.21 : x
  2. Step 2: Convert to fraction form
    10,349.91/14,282.88 = 5,634.21/x
  3. Step 3: Cross multiply
    10,349.91x = 14,282.88 × 5,634.21
  4. Step 4: Simplify right side
    10,349.91x = 80,472,745.32
  5. Step 5: Solve for x
    x = 80,472,745.32/10,349.91
  6. Step 6: Final answer
    x = 7,775.21

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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.