Home / 7,067.29-10,602.64-4,991.35

Finding the Fourth Proportional to 7,067.29, 10,602.64 and 4,991.35

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Solution

The fourth proportional to 7,067.29, 10,602.64 and 4,991.35 is: 7,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.29 : 10,602.64 = 4,991.35 : x
  2. Step 2: Convert to fraction form
    7,067.29/10,602.64 = 4,991.35/x
  3. Step 3: Cross multiply
    7,067.29x = 10,602.64 × 4,991.35
  4. Step 4: Simplify right side
    7,067.29x = 52,921,487.16
  5. Step 5: Solve for x
    x = 52,921,487.16/7,067.29
  6. Step 6: Final answer
    x = 7,488.23

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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.