Home / 8,950.24-12,351.08-4,971.28

Finding the Fourth Proportional to 8,950.24, 12,351.08 and 4,971.28

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Solution

The fourth proportional to 8,950.24, 12,351.08 and 4,971.28 is: 6,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.24 : 12,351.08 = 4,971.28 : x
  2. Step 2: Convert to fraction form
    8,950.24/12,351.08 = 4,971.28/x
  3. Step 3: Cross multiply
    8,950.24x = 12,351.08 × 4,971.28
  4. Step 4: Simplify right side
    8,950.24x = 61,400,676.98
  5. Step 5: Solve for x
    x = 61,400,676.98/8,950.24
  6. Step 6: Final answer
    x = 6,860.23

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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.