Home / 7,342.24-10,129.68-4,358.56

Finding the Fourth Proportional to 7,342.24, 10,129.68 and 4,358.56

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Solution

The fourth proportional to 7,342.24, 10,129.68 and 4,358.56 is: 6,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.24 : 10,129.68 = 4,358.56 : x
  2. Step 2: Convert to fraction form
    7,342.24/10,129.68 = 4,358.56/x
  3. Step 3: Cross multiply
    7,342.24x = 10,129.68 × 4,358.56
  4. Step 4: Simplify right side
    7,342.24x = 44,150,818.06
  5. Step 5: Solve for x
    x = 44,150,818.06/7,342.24
  6. Step 6: Final answer
    x = 6,013.26

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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.