Home / 7,416.86-11,126.57-2,486.98

Finding the Fourth Proportional to 7,416.86, 11,126.57 and 2,486.98

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Solution

The fourth proportional to 7,416.86, 11,126.57 and 2,486.98 is: 3,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.86 : 11,126.57 = 2,486.98 : x
  2. Step 2: Convert to fraction form
    7,416.86/11,126.57 = 2,486.98/x
  3. Step 3: Cross multiply
    7,416.86x = 11,126.57 × 2,486.98
  4. Step 4: Simplify right side
    7,416.86x = 27,671,507.64
  5. Step 5: Solve for x
    x = 27,671,507.64/7,416.86
  6. Step 6: Final answer
    x = 3,730.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.