Home / 9,162.14-13,744.35-2,920.46

Finding the Fourth Proportional to 9,162.14, 13,744.35 and 2,920.46

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Solution

The fourth proportional to 9,162.14, 13,744.35 and 2,920.46 is: 4,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.14 : 13,744.35 = 2,920.46 : x
  2. Step 2: Convert to fraction form
    9,162.14/13,744.35 = 2,920.46/x
  3. Step 3: Cross multiply
    9,162.14x = 13,744.35 × 2,920.46
  4. Step 4: Simplify right side
    9,162.14x = 40,139,824.40
  5. Step 5: Solve for x
    x = 40,139,824.40/9,162.14
  6. Step 6: Final answer
    x = 4,381.05

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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.