Home / 12,895.01-19,340.86-4,992.11

Finding the Fourth Proportional to 12,895.01, 19,340.86 and 4,992.11

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Solution

The fourth proportional to 12,895.01, 19,340.86 and 4,992.11 is: 7,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.01 : 19,340.86 = 4,992.11 : x
  2. Step 2: Convert to fraction form
    12,895.01/19,340.86 = 4,992.11/x
  3. Step 3: Cross multiply
    12,895.01x = 19,340.86 × 4,992.11
  4. Step 4: Simplify right side
    12,895.01x = 96,551,762.37
  5. Step 5: Solve for x
    x = 96,551,762.37/12,895.01
  6. Step 6: Final answer
    x = 7,487.53

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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.