Home / 10,685.36-16,028.22-4,842.02

Finding the Fourth Proportional to 10,685.36, 16,028.22 and 4,842.02

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Solution

The fourth proportional to 10,685.36, 16,028.22 and 4,842.02 is: 7,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.36 : 16,028.22 = 4,842.02 : x
  2. Step 2: Convert to fraction form
    10,685.36/16,028.22 = 4,842.02/x
  3. Step 3: Cross multiply
    10,685.36x = 16,028.22 × 4,842.02
  4. Step 4: Simplify right side
    10,685.36x = 77,608,961.80
  5. Step 5: Solve for x
    x = 77,608,961.80/10,685.36
  6. Step 6: Final answer
    x = 7,263.11

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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.