Home / 7,451.04-11,176.80-3,555.84

Finding the Fourth Proportional to 7,451.04, 11,176.80 and 3,555.84

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Solution

The fourth proportional to 7,451.04, 11,176.80 and 3,555.84 is: 5,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.04 : 11,176.80 = 3,555.84 : x
  2. Step 2: Convert to fraction form
    7,451.04/11,176.80 = 3,555.84/x
  3. Step 3: Cross multiply
    7,451.04x = 11,176.80 × 3,555.84
  4. Step 4: Simplify right side
    7,451.04x = 39,742,912.51
  5. Step 5: Solve for x
    x = 39,742,912.51/7,451.04
  6. Step 6: Final answer
    x = 5,333.87

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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.