Home / 12,693.06-19,043.55-6,118.11

Finding the Fourth Proportional to 12,693.06, 19,043.55 and 6,118.11

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Solution

The fourth proportional to 12,693.06, 19,043.55 and 6,118.11 is: 9,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.06 : 19,043.55 = 6,118.11 : x
  2. Step 2: Convert to fraction form
    12,693.06/19,043.55 = 6,118.11/x
  3. Step 3: Cross multiply
    12,693.06x = 19,043.55 × 6,118.11
  4. Step 4: Simplify right side
    12,693.06x = 116,510,533.69
  5. Step 5: Solve for x
    x = 116,510,533.69/12,693.06
  6. Step 6: Final answer
    x = 9,179.07

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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.