Home / 12,299.95-16,968.12-7,260.81

Finding the Fourth Proportional to 12,299.95, 16,968.12 and 7,260.81

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Solution

The fourth proportional to 12,299.95, 16,968.12 and 7,260.81 is: 10,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.95 : 16,968.12 = 7,260.81 : x
  2. Step 2: Convert to fraction form
    12,299.95/16,968.12 = 7,260.81/x
  3. Step 3: Cross multiply
    12,299.95x = 16,968.12 × 7,260.81
  4. Step 4: Simplify right side
    12,299.95x = 123,202,204.52
  5. Step 5: Solve for x
    x = 123,202,204.52/12,299.95
  6. Step 6: Final answer
    x = 10,016.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.