Home / 12,851.85-19,277.91-4,530.32

Finding the Fourth Proportional to 12,851.85, 19,277.91 and 4,530.32

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Solution

The fourth proportional to 12,851.85, 19,277.91 and 4,530.32 is: 6,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,851.85 : 19,277.91 = 4,530.32 : x
  2. Step 2: Convert to fraction form
    12,851.85/19,277.91 = 4,530.32/x
  3. Step 3: Cross multiply
    12,851.85x = 19,277.91 × 4,530.32
  4. Step 4: Simplify right side
    12,851.85x = 87,335,101.23
  5. Step 5: Solve for x
    x = 87,335,101.23/12,851.85
  6. Step 6: Final answer
    x = 6,795.53

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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.