Home / 7,415.38-10,242.21-5,864.02

Finding the Fourth Proportional to 7,415.38, 10,242.21 and 5,864.02

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Solution

The fourth proportional to 7,415.38, 10,242.21 and 5,864.02 is: 8,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.38 : 10,242.21 = 5,864.02 : x
  2. Step 2: Convert to fraction form
    7,415.38/10,242.21 = 5,864.02/x
  3. Step 3: Cross multiply
    7,415.38x = 10,242.21 × 5,864.02
  4. Step 4: Simplify right side
    7,415.38x = 60,060,524.28
  5. Step 5: Solve for x
    x = 60,060,524.28/7,415.38
  6. Step 6: Final answer
    x = 8,099.45

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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.