Home / 7,949.11-10,969.63-4,412.47

Finding the Fourth Proportional to 7,949.11, 10,969.63 and 4,412.47

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Solution

The fourth proportional to 7,949.11, 10,969.63 and 4,412.47 is: 6,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.11 : 10,969.63 = 4,412.47 : x
  2. Step 2: Convert to fraction form
    7,949.11/10,969.63 = 4,412.47/x
  3. Step 3: Cross multiply
    7,949.11x = 10,969.63 × 4,412.47
  4. Step 4: Simplify right side
    7,949.11x = 48,403,163.29
  5. Step 5: Solve for x
    x = 48,403,163.29/7,949.11
  6. Step 6: Final answer
    x = 6,089.13

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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.