Home / 7,922.43-11,885.13-2,926.10

Finding the Fourth Proportional to 7,922.43, 11,885.13 and 2,926.10

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Solution

The fourth proportional to 7,922.43, 11,885.13 and 2,926.10 is: 4,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.43 : 11,885.13 = 2,926.10 : x
  2. Step 2: Convert to fraction form
    7,922.43/11,885.13 = 2,926.10/x
  3. Step 3: Cross multiply
    7,922.43x = 11,885.13 × 2,926.10
  4. Step 4: Simplify right side
    7,922.43x = 34,777,075.18
  5. Step 5: Solve for x
    x = 34,777,075.18/7,922.43
  6. Step 6: Final answer
    x = 4,389.70

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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.