Home / 7,619.64-10,516.11-4,263.75

Finding the Fourth Proportional to 7,619.64, 10,516.11 and 4,263.75

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Solution

The fourth proportional to 7,619.64, 10,516.11 and 4,263.75 is: 5,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.64 : 10,516.11 = 4,263.75 : x
  2. Step 2: Convert to fraction form
    7,619.64/10,516.11 = 4,263.75/x
  3. Step 3: Cross multiply
    7,619.64x = 10,516.11 × 4,263.75
  4. Step 4: Simplify right side
    7,619.64x = 44,838,064.01
  5. Step 5: Solve for x
    x = 44,838,064.01/7,619.64
  6. Step 6: Final answer
    x = 5,884.54

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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.