Home / 7,416.60-10,234.02-4,431.75

Finding the Fourth Proportional to 7,416.60, 10,234.02 and 4,431.75

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Solution

The fourth proportional to 7,416.60, 10,234.02 and 4,431.75 is: 6,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.60 : 10,234.02 = 4,431.75 : x
  2. Step 2: Convert to fraction form
    7,416.60/10,234.02 = 4,431.75/x
  3. Step 3: Cross multiply
    7,416.60x = 10,234.02 × 4,431.75
  4. Step 4: Simplify right side
    7,416.60x = 45,354,618.14
  5. Step 5: Solve for x
    x = 45,354,618.14/7,416.60
  6. Step 6: Final answer
    x = 6,115.28

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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.