Home / 7,486.22-10,330.52-4,129.07

Finding the Fourth Proportional to 7,486.22, 10,330.52 and 4,129.07

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Solution

The fourth proportional to 7,486.22, 10,330.52 and 4,129.07 is: 5,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.22 : 10,330.52 = 4,129.07 : x
  2. Step 2: Convert to fraction form
    7,486.22/10,330.52 = 4,129.07/x
  3. Step 3: Cross multiply
    7,486.22x = 10,330.52 × 4,129.07
  4. Step 4: Simplify right side
    7,486.22x = 42,655,367.92
  5. Step 5: Solve for x
    x = 42,655,367.92/7,486.22
  6. Step 6: Final answer
    x = 5,697.85

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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.