Home / 7,045.36-9,711.40-5,550.96

Finding the Fourth Proportional to 7,045.36, 9,711.40 and 5,550.96

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Solution

The fourth proportional to 7,045.36, 9,711.40 and 5,550.96 is: 7,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.36 : 9,711.40 = 5,550.96 : x
  2. Step 2: Convert to fraction form
    7,045.36/9,711.40 = 5,550.96/x
  3. Step 3: Cross multiply
    7,045.36x = 9,711.40 × 5,550.96
  4. Step 4: Simplify right side
    7,045.36x = 53,907,592.94
  5. Step 5: Solve for x
    x = 53,907,592.94/7,045.36
  6. Step 6: Final answer
    x = 7,651.50

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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.