Home / 7,486.10-10,330.24-4,129.04

Finding the Fourth Proportional to 7,486.10, 10,330.24 and 4,129.04

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Solution

The fourth proportional to 7,486.10, 10,330.24 and 4,129.04 is: 5,697.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.10 : 10,330.24 = 4,129.04 : x
  2. Step 2: Convert to fraction form
    7,486.10/10,330.24 = 4,129.04/x
  3. Step 3: Cross multiply
    7,486.10x = 10,330.24 × 4,129.04
  4. Step 4: Simplify right side
    7,486.10x = 42,653,912.20
  5. Step 5: Solve for x
    x = 42,653,912.20/7,486.10
  6. Step 6: Final answer
    x = 5,697.75

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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.