Home / 7,926.08-10,936.92-4,389.20

Finding the Fourth Proportional to 7,926.08, 10,936.92 and 4,389.20

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Solution

The fourth proportional to 7,926.08, 10,936.92 and 4,389.20 is: 6,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.08 : 10,936.92 = 4,389.20 : x
  2. Step 2: Convert to fraction form
    7,926.08/10,936.92 = 4,389.20/x
  3. Step 3: Cross multiply
    7,926.08x = 10,936.92 × 4,389.20
  4. Step 4: Simplify right side
    7,926.08x = 48,004,329.26
  5. Step 5: Solve for x
    x = 48,004,329.26/7,926.08
  6. Step 6: Final answer
    x = 6,056.50

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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.