Home / 7,446.08-11,165.68-6,862.40

Finding the Fourth Proportional to 7,446.08, 11,165.68 and 6,862.40

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Solution

The fourth proportional to 7,446.08, 11,165.68 and 6,862.40 is: 10,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.08 : 11,165.68 = 6,862.40 : x
  2. Step 2: Convert to fraction form
    7,446.08/11,165.68 = 6,862.40/x
  3. Step 3: Cross multiply
    7,446.08x = 11,165.68 × 6,862.40
  4. Step 4: Simplify right side
    7,446.08x = 76,623,362.43
  5. Step 5: Solve for x
    x = 76,623,362.43/7,446.08
  6. Step 6: Final answer
    x = 10,290.43

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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.