Home / 8,070.24-11,121.53-6,950.82

Finding the Fourth Proportional to 8,070.24, 11,121.53 and 6,950.82

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Solution

The fourth proportional to 8,070.24, 11,121.53 and 6,950.82 is: 9,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.24 : 11,121.53 = 6,950.82 : x
  2. Step 2: Convert to fraction form
    8,070.24/11,121.53 = 6,950.82/x
  3. Step 3: Cross multiply
    8,070.24x = 11,121.53 × 6,950.82
  4. Step 4: Simplify right side
    8,070.24x = 77,303,718.40
  5. Step 5: Solve for x
    x = 77,303,718.40/8,070.24
  6. Step 6: Final answer
    x = 9,578.86

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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.