Home / 7,838.10-10,816.55-4,301.37

Finding the Fourth Proportional to 7,838.10, 10,816.55 and 4,301.37

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Solution

The fourth proportional to 7,838.10, 10,816.55 and 4,301.37 is: 5,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.10 : 10,816.55 = 4,301.37 : x
  2. Step 2: Convert to fraction form
    7,838.10/10,816.55 = 4,301.37/x
  3. Step 3: Cross multiply
    7,838.10x = 10,816.55 × 4,301.37
  4. Step 4: Simplify right side
    7,838.10x = 46,525,962.17
  5. Step 5: Solve for x
    x = 46,525,962.17/7,838.10
  6. Step 6: Final answer
    x = 5,935.87

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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.