Home / 7,621.49-10,517.08-4,263.69

Finding the Fourth Proportional to 7,621.49, 10,517.08 and 4,263.69

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Solution

The fourth proportional to 7,621.49, 10,517.08 and 4,263.69 is: 5,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.49 : 10,517.08 = 4,263.69 : x
  2. Step 2: Convert to fraction form
    7,621.49/10,517.08 = 4,263.69/x
  3. Step 3: Cross multiply
    7,621.49x = 10,517.08 × 4,263.69
  4. Step 4: Simplify right side
    7,621.49x = 44,841,516.24
  5. Step 5: Solve for x
    x = 44,841,516.24/7,621.49
  6. Step 6: Final answer
    x = 5,883.56

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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.