Home / 9,154.74-13,722.69-3,605.84

Finding the Fourth Proportional to 9,154.74, 13,722.69 and 3,605.84

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Solution

The fourth proportional to 9,154.74, 13,722.69 and 3,605.84 is: 5,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.74 : 13,722.69 = 3,605.84 : x
  2. Step 2: Convert to fraction form
    9,154.74/13,722.69 = 3,605.84/x
  3. Step 3: Cross multiply
    9,154.74x = 13,722.69 × 3,605.84
  4. Step 4: Simplify right side
    9,154.74x = 49,481,824.51
  5. Step 5: Solve for x
    x = 49,481,824.51/9,154.74
  6. Step 6: Final answer
    x = 5,405.05

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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.