Home / 7,838.27-10,816.10-4,651.02

Finding the Fourth Proportional to 7,838.27, 10,816.10 and 4,651.02

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Solution

The fourth proportional to 7,838.27, 10,816.10 and 4,651.02 is: 6,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.27 : 10,816.10 = 4,651.02 : x
  2. Step 2: Convert to fraction form
    7,838.27/10,816.10 = 4,651.02/x
  3. Step 3: Cross multiply
    7,838.27x = 10,816.10 × 4,651.02
  4. Step 4: Simplify right side
    7,838.27x = 50,305,912.46
  5. Step 5: Solve for x
    x = 50,305,912.46/7,838.27
  6. Step 6: Final answer
    x = 6,417.98

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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.