Home / 12,034.87-16,613.18-7,320.79

Finding the Fourth Proportional to 12,034.87, 16,613.18 and 7,320.79

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Solution

The fourth proportional to 12,034.87, 16,613.18 and 7,320.79 is: 10,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.87 : 16,613.18 = 7,320.79 : x
  2. Step 2: Convert to fraction form
    12,034.87/16,613.18 = 7,320.79/x
  3. Step 3: Cross multiply
    12,034.87x = 16,613.18 × 7,320.79
  4. Step 4: Simplify right side
    12,034.87x = 121,621,602.01
  5. Step 5: Solve for x
    x = 121,621,602.01/12,034.87
  6. Step 6: Final answer
    x = 10,105.77

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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.