Home / 10,930.64-16,403.85-4,353.03

Finding the Fourth Proportional to 10,930.64, 16,403.85 and 4,353.03

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Solution

The fourth proportional to 10,930.64, 16,403.85 and 4,353.03 is: 6,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.64 : 16,403.85 = 4,353.03 : x
  2. Step 2: Convert to fraction form
    10,930.64/16,403.85 = 4,353.03/x
  3. Step 3: Cross multiply
    10,930.64x = 16,403.85 × 4,353.03
  4. Step 4: Simplify right side
    10,930.64x = 71,406,451.17
  5. Step 5: Solve for x
    x = 71,406,451.17/10,930.64
  6. Step 6: Final answer
    x = 6,532.69

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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.