Home / 10,445.25-14,412.68-6,906.57

Finding the Fourth Proportional to 10,445.25, 14,412.68 and 6,906.57

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Solution

The fourth proportional to 10,445.25, 14,412.68 and 6,906.57 is: 9,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.25 : 14,412.68 = 6,906.57 : x
  2. Step 2: Convert to fraction form
    10,445.25/14,412.68 = 6,906.57/x
  3. Step 3: Cross multiply
    10,445.25x = 14,412.68 × 6,906.57
  4. Step 4: Simplify right side
    10,445.25x = 99,542,148.77
  5. Step 5: Solve for x
    x = 99,542,148.77/10,445.25
  6. Step 6: Final answer
    x = 9,529.90

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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.