Home / 10,495.68-14,419.20-9,391.24

Finding the Fourth Proportional to 10,495.68, 14,419.20 and 9,391.24

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Solution

The fourth proportional to 10,495.68, 14,419.20 and 9,391.24 is: 12,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.68 : 14,419.20 = 9,391.24 : x
  2. Step 2: Convert to fraction form
    10,495.68/14,419.20 = 9,391.24/x
  3. Step 3: Cross multiply
    10,495.68x = 14,419.20 × 9,391.24
  4. Step 4: Simplify right side
    10,495.68x = 135,414,167.81
  5. Step 5: Solve for x
    x = 135,414,167.81/10,495.68
  6. Step 6: Final answer
    x = 12,901.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.