Home / 10,666.35-15,987.07-8,025.37

Finding the Fourth Proportional to 10,666.35, 15,987.07 and 8,025.37

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Solution

The fourth proportional to 10,666.35, 15,987.07 and 8,025.37 is: 12,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.35 : 15,987.07 = 8,025.37 : x
  2. Step 2: Convert to fraction form
    10,666.35/15,987.07 = 8,025.37/x
  3. Step 3: Cross multiply
    10,666.35x = 15,987.07 × 8,025.37
  4. Step 4: Simplify right side
    10,666.35x = 128,302,151.97
  5. Step 5: Solve for x
    x = 128,302,151.97/10,666.35
  6. Step 6: Final answer
    x = 12,028.68

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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.