Home / 7,616.40-10,516.08-5,939.68

Finding the Fourth Proportional to 7,616.40, 10,516.08 and 5,939.68

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Solution

The fourth proportional to 7,616.40, 10,516.08 and 5,939.68 is: 8,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.40 : 10,516.08 = 5,939.68 : x
  2. Step 2: Convert to fraction form
    7,616.40/10,516.08 = 5,939.68/x
  3. Step 3: Cross multiply
    7,616.40x = 10,516.08 × 5,939.68
  4. Step 4: Simplify right side
    7,616.40x = 62,462,150.05
  5. Step 5: Solve for x
    x = 62,462,150.05/7,616.40
  6. Step 6: Final answer
    x = 8,201.01

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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.