Home / 7,505.56-10,358.12-4,319.88

Finding the Fourth Proportional to 7,505.56, 10,358.12 and 4,319.88

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Solution

The fourth proportional to 7,505.56, 10,358.12 and 4,319.88 is: 5,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.56 : 10,358.12 = 4,319.88 : x
  2. Step 2: Convert to fraction form
    7,505.56/10,358.12 = 4,319.88/x
  3. Step 3: Cross multiply
    7,505.56x = 10,358.12 × 4,319.88
  4. Step 4: Simplify right side
    7,505.56x = 44,745,835.43
  5. Step 5: Solve for x
    x = 44,745,835.43/7,505.56
  6. Step 6: Final answer
    x = 5,961.69

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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.