Home / 10,825.21-16,248.75-6,888.61

Finding the Fourth Proportional to 10,825.21, 16,248.75 and 6,888.61

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Solution

The fourth proportional to 10,825.21, 16,248.75 and 6,888.61 is: 10,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.21 : 16,248.75 = 6,888.61 : x
  2. Step 2: Convert to fraction form
    10,825.21/16,248.75 = 6,888.61/x
  3. Step 3: Cross multiply
    10,825.21x = 16,248.75 × 6,888.61
  4. Step 4: Simplify right side
    10,825.21x = 111,931,301.74
  5. Step 5: Solve for x
    x = 111,931,301.74/10,825.21
  6. Step 6: Final answer
    x = 10,339.87

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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.