Home / 7,311.43-10,090.01-4,124.66

Finding the Fourth Proportional to 7,311.43, 10,090.01 and 4,124.66

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Solution

The fourth proportional to 7,311.43, 10,090.01 and 4,124.66 is: 5,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.43 : 10,090.01 = 4,124.66 : x
  2. Step 2: Convert to fraction form
    7,311.43/10,090.01 = 4,124.66/x
  3. Step 3: Cross multiply
    7,311.43x = 10,090.01 × 4,124.66
  4. Step 4: Simplify right side
    7,311.43x = 41,617,840.02
  5. Step 5: Solve for x
    x = 41,617,840.02/7,311.43
  6. Step 6: Final answer
    x = 5,692.17

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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.