Home / 7,210.35-9,950.09-4,066.56

Finding the Fourth Proportional to 7,210.35, 9,950.09 and 4,066.56

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Solution

The fourth proportional to 7,210.35, 9,950.09 and 4,066.56 is: 5,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.35 : 9,950.09 = 4,066.56 : x
  2. Step 2: Convert to fraction form
    7,210.35/9,950.09 = 4,066.56/x
  3. Step 3: Cross multiply
    7,210.35x = 9,950.09 × 4,066.56
  4. Step 4: Simplify right side
    7,210.35x = 40,462,617.66
  5. Step 5: Solve for x
    x = 40,462,617.66/7,210.35
  6. Step 6: Final answer
    x = 5,611.74

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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.