Home / 7,539.50-10,404.64-4,182.46

Finding the Fourth Proportional to 7,539.50, 10,404.64 and 4,182.46

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Solution

The fourth proportional to 7,539.50, 10,404.64 and 4,182.46 is: 5,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.50 : 10,404.64 = 4,182.46 : x
  2. Step 2: Convert to fraction form
    7,539.50/10,404.64 = 4,182.46/x
  3. Step 3: Cross multiply
    7,539.50x = 10,404.64 × 4,182.46
  4. Step 4: Simplify right side
    7,539.50x = 43,516,990.61
  5. Step 5: Solve for x
    x = 43,516,990.61/7,539.50
  6. Step 6: Final answer
    x = 5,771.87

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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.