Home / 10,865.88-16,282.82-4,854.67

Finding the Fourth Proportional to 10,865.88, 16,282.82 and 4,854.67

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Solution

The fourth proportional to 10,865.88, 16,282.82 and 4,854.67 is: 7,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.88 : 16,282.82 = 4,854.67 : x
  2. Step 2: Convert to fraction form
    10,865.88/16,282.82 = 4,854.67/x
  3. Step 3: Cross multiply
    10,865.88x = 16,282.82 × 4,854.67
  4. Step 4: Simplify right side
    10,865.88x = 79,047,689.20
  5. Step 5: Solve for x
    x = 79,047,689.20/10,865.88
  6. Step 6: Final answer
    x = 7,274.85

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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.