Home / 11,742.93-17,614.05-4,720.77

Finding the Fourth Proportional to 11,742.93, 17,614.05 and 4,720.77

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Solution

The fourth proportional to 11,742.93, 17,614.05 and 4,720.77 is: 7,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.93 : 17,614.05 = 4,720.77 : x
  2. Step 2: Convert to fraction form
    11,742.93/17,614.05 = 4,720.77/x
  3. Step 3: Cross multiply
    11,742.93x = 17,614.05 × 4,720.77
  4. Step 4: Simplify right side
    11,742.93x = 83,151,878.82
  5. Step 5: Solve for x
    x = 83,151,878.82/11,742.93
  6. Step 6: Final answer
    x = 7,081.02

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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.