Home / 7,111.13-10,671.55-2,494.13

Finding the Fourth Proportional to 7,111.13, 10,671.55 and 2,494.13

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Solution

The fourth proportional to 7,111.13, 10,671.55 and 2,494.13 is: 3,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.13 : 10,671.55 = 2,494.13 : x
  2. Step 2: Convert to fraction form
    7,111.13/10,671.55 = 2,494.13/x
  3. Step 3: Cross multiply
    7,111.13x = 10,671.55 × 2,494.13
  4. Step 4: Simplify right side
    7,111.13x = 26,616,173.41
  5. Step 5: Solve for x
    x = 26,616,173.41/7,111.13
  6. Step 6: Final answer
    x = 3,742.89

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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.