Home / 7,958.03-10,973.53-4,972.78

Finding the Fourth Proportional to 7,958.03, 10,973.53 and 4,972.78

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Solution

The fourth proportional to 7,958.03, 10,973.53 and 4,972.78 is: 6,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.03 : 10,973.53 = 4,972.78 : x
  2. Step 2: Convert to fraction form
    7,958.03/10,973.53 = 4,972.78/x
  3. Step 3: Cross multiply
    7,958.03x = 10,973.53 × 4,972.78
  4. Step 4: Simplify right side
    7,958.03x = 54,568,950.51
  5. Step 5: Solve for x
    x = 54,568,950.51/7,958.03
  6. Step 6: Final answer
    x = 6,857.09

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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.