Home / 10,087.43-15,133.58-3,161.93

Finding the Fourth Proportional to 10,087.43, 15,133.58 and 3,161.93

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Solution

The fourth proportional to 10,087.43, 15,133.58 and 3,161.93 is: 4,743.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.43 : 15,133.58 = 3,161.93 : x
  2. Step 2: Convert to fraction form
    10,087.43/15,133.58 = 3,161.93/x
  3. Step 3: Cross multiply
    10,087.43x = 15,133.58 × 3,161.93
  4. Step 4: Simplify right side
    10,087.43x = 47,851,314.26
  5. Step 5: Solve for x
    x = 47,851,314.26/10,087.43
  6. Step 6: Final answer
    x = 4,743.66

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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.