Home / 12,746.11-19,120.38-4,955.53

Finding the Fourth Proportional to 12,746.11, 19,120.38 and 4,955.53

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Solution

The fourth proportional to 12,746.11, 19,120.38 and 4,955.53 is: 7,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.11 : 19,120.38 = 4,955.53 : x
  2. Step 2: Convert to fraction form
    12,746.11/19,120.38 = 4,955.53/x
  3. Step 3: Cross multiply
    12,746.11x = 19,120.38 × 4,955.53
  4. Step 4: Simplify right side
    12,746.11x = 94,751,550.32
  5. Step 5: Solve for x
    x = 94,751,550.32/12,746.11
  6. Step 6: Final answer
    x = 7,433.76

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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.