Home / 10,954.60-16,434.30-4,379.08

Finding the Fourth Proportional to 10,954.60, 16,434.30 and 4,379.08

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Solution

The fourth proportional to 10,954.60, 16,434.30 and 4,379.08 is: 6,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.60 : 16,434.30 = 4,379.08 : x
  2. Step 2: Convert to fraction form
    10,954.60/16,434.30 = 4,379.08/x
  3. Step 3: Cross multiply
    10,954.60x = 16,434.30 × 4,379.08
  4. Step 4: Simplify right side
    10,954.60x = 71,967,114.44
  5. Step 5: Solve for x
    x = 71,967,114.44/10,954.60
  6. Step 6: Final answer
    x = 6,569.58

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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.