Home / 7,236.17-10,849-4,890.36

Finding the Fourth Proportional to 7,236.17, 10,849 and 4,890.36

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Solution

The fourth proportional to 7,236.17, 10,849 and 4,890.36 is: 7,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.17 : 10,849 = 4,890.36 : x
  2. Step 2: Convert to fraction form
    7,236.17/10,849 = 4,890.36/x
  3. Step 3: Cross multiply
    7,236.17x = 10,849 × 4,890.36
  4. Step 4: Simplify right side
    7,236.17x = 53,055,515.64
  5. Step 5: Solve for x
    x = 53,055,515.64/7,236.17
  6. Step 6: Final answer
    x = 7,331.99

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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.