Home / 10,080.80-15,123.47-3,416.92

Finding the Fourth Proportional to 10,080.80, 15,123.47 and 3,416.92

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Solution

The fourth proportional to 10,080.80, 15,123.47 and 3,416.92 is: 5,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.80 : 15,123.47 = 3,416.92 : x
  2. Step 2: Convert to fraction form
    10,080.80/15,123.47 = 3,416.92/x
  3. Step 3: Cross multiply
    10,080.80x = 15,123.47 × 3,416.92
  4. Step 4: Simplify right side
    10,080.80x = 51,675,632.22
  5. Step 5: Solve for x
    x = 51,675,632.22/10,080.80
  6. Step 6: Final answer
    x = 5,126.14

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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.