Home / 10,788.50-14,884.08-6,310.82

Finding the Fourth Proportional to 10,788.50, 14,884.08 and 6,310.82

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Solution

The fourth proportional to 10,788.50, 14,884.08 and 6,310.82 is: 8,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.50 : 14,884.08 = 6,310.82 : x
  2. Step 2: Convert to fraction form
    10,788.50/14,884.08 = 6,310.82/x
  3. Step 3: Cross multiply
    10,788.50x = 14,884.08 × 6,310.82
  4. Step 4: Simplify right side
    10,788.50x = 93,930,749.75
  5. Step 5: Solve for x
    x = 93,930,749.75/10,788.50
  6. Step 6: Final answer
    x = 8,706.56

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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.