Home / 7,477.24-10,318.14-4,165.24

Finding the Fourth Proportional to 7,477.24, 10,318.14 and 4,165.24

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Solution

The fourth proportional to 7,477.24, 10,318.14 and 4,165.24 is: 5,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.24 : 10,318.14 = 4,165.24 : x
  2. Step 2: Convert to fraction form
    7,477.24/10,318.14 = 4,165.24/x
  3. Step 3: Cross multiply
    7,477.24x = 10,318.14 × 4,165.24
  4. Step 4: Simplify right side
    7,477.24x = 42,977,529.45
  5. Step 5: Solve for x
    x = 42,977,529.45/7,477.24
  6. Step 6: Final answer
    x = 5,747.78

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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.