Home / 43,151.58-64,727.01-11,130.57

Finding the Fourth Proportional to 43,151.58, 64,727.01 and 11,130.57

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Solution

The fourth proportional to 43,151.58, 64,727.01 and 11,130.57 is: 16,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,151.58 : 64,727.01 = 11,130.57 : x
  2. Step 2: Convert to fraction form
    43,151.58/64,727.01 = 11,130.57/x
  3. Step 3: Cross multiply
    43,151.58x = 64,727.01 × 11,130.57
  4. Step 4: Simplify right side
    43,151.58x = 720,448,515.70
  5. Step 5: Solve for x
    x = 720,448,515.70/43,151.58
  6. Step 6: Final answer
    x = 16,695.76

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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.