Home / 11,446.08-15,790.20-7,465.68

Finding the Fourth Proportional to 11,446.08, 15,790.20 and 7,465.68

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Solution

The fourth proportional to 11,446.08, 15,790.20 and 7,465.68 is: 10,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446.08 : 15,790.20 = 7,465.68 : x
  2. Step 2: Convert to fraction form
    11,446.08/15,790.20 = 7,465.68/x
  3. Step 3: Cross multiply
    11,446.08x = 15,790.20 × 7,465.68
  4. Step 4: Simplify right side
    11,446.08x = 117,884,580.34
  5. Step 5: Solve for x
    x = 117,884,580.34/11,446.08
  6. Step 6: Final answer
    x = 10,299.12

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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.